# X-4x-5 = 0

(x - 4) • (x + 5) = 0 Step 2 : Theory - Roots of a product : 2.1 A product of several terms equals zero. When a product of two or more terms equals zero, then at least one of the terms must be zero. We shall now solve each term = 0 separately In other words, we are going to solve as many equations as there are terms in the product

c. 5x^2 - x - 18 = 0. d. 2x^3 - 3x^2 + x + 30. đ. 5x^3 - 21x^2 + 11x + 5.

16.03.2021

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Add 5 to each side. x2 - 4x + 4 = 5 + 4. Complete the square by adding 4 to each side. (x - 2)2 = 9. Factor the perfect square trinomial.

## Solve for x (x-5)(x+4)=0 If any individual factor on the left side of the equation is equal to , the entire expression will be equal to . Set the first factor equal to and solve.

Free Pre-Algebra, Algebra, Trigonometry, Calculus, Geometry, Statistics and Chemistry calculators step-by-step Set the factor ' (5 + -4x)' equal to zero and attempt to solve: Simplifying 5 + -4x = 0 Solving 5 + -4x = 0 Move all terms containing x to the left, all other terms to the right. Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor. Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor. All equations of the form ax^{2}+bx+c=0 can be solved using the quadratic formula: \frac{-b±\sqrt{b^{2}-4ac}}{2a}.

### x^2+7x+12=0 >"the standard form of a quadratic equation is" •color(white)(x)ax^2+bx+c=0;a!=0 "expanding the factors gives" x^2+7x+12=0larrcolor(blue)"in standard form"

4x = 5 4 x = 5. Divide each term by 4 4 and simplify. Tap for more steps Divide each term in 4 x = 5 4 x = 5 by 4 4. 4 x 4 = 5 4 4 x 4 = 5 4. X (squared) + 4x - 5 = 0.

You can put this solution on YOUR website! x^2 - 4x - 5 = 0. Here you must know how we make factors i.e. splitting of the middle termif you might not knew then Solved: Use the quadratic formula to solve x^2 + 4x + 5 = 0, x^2 + 8x + 16 = 0, and x^2 - 9 = 0. By signing up, you'll get thousands of Find the discriminant of x2 - 4x + 5= 0. Summary.

Tap for more steps Divide each term in 4 x = 5 4 x = 5 by 4 4. 4 x 4 = 5 4 4 x 4 = 5 4. X (squared) + 4x - 5 = 0. (x + 5) (X-1) = 0. x+5=0. x=-5.

Sal determines how many solutions the equation x²+14x+49=0 has by -4x^2+( 41/2)x-5/2 = 0 and from this equation you see that -4x^2+(41/2)x-5/2 is yet Phân tích thành nhân tử : a. x^2 - 4x - 5 = 0. b. 2x^2 - 6x + 4 = 0. c.

What values could we substitute for x to make this expression equal 0? If we had x = -1, the left binomial would simplify to 0, and multiplying (x-5) times 0 makes 0. Similarly, if x = 5, the same thing would happen. So your answer is that x = -1 or +5.

Question 53228: 1) Using the quadratic equation x2 - 4x - 5 = 0, perform the following tasks: a) Solve by factoring. Answer: Show work in this space. b) Solve by completing the square. x^ + 4x - 5 = ) 0?

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### Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor.

g(0) = 4(0) -5 . g(0) = -5. It appear that you are having trouble with the substitution of the variable g(x) into an equasion. What you need to do is take the variable (x) and replace wherever it occurs in the equasion and then solve the equasion. (x - 4) • (x + 5) = 0 Step 2 : Theory - Roots of a product : 2.1 A product of several terms equals zero. When a product of two or more terms equals zero, then at least one of the terms must be zero. We shall now solve each term = 0 separately In other words, we are going to solve as many equations as there are terms in the product Simple and best practice solution for (6x(x)(x))-4x+5=0 equation.