# 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.

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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