4x^2=-20x-25

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Solution for 4x^2=-20x-25 equation:


Simplifying
4x2 = -20x + -25

Reorder the terms:
4x2 = -25 + -20x

Solving
4x2 = -25 + -20x

Solving for variable 'x'.

Reorder the terms:
25 + 20x + 4x2 = -25 + -20x + 25 + 20x

Reorder the terms:
25 + 20x + 4x2 = -25 + 25 + -20x + 20x

Combine like terms: -25 + 25 = 0
25 + 20x + 4x2 = 0 + -20x + 20x
25 + 20x + 4x2 = -20x + 20x

Combine like terms: -20x + 20x = 0
25 + 20x + 4x2 = 0

Factor a trinomial.
(5 + 2x)(5 + 2x) = 0

Subproblem 1

Set the factor '(5 + 2x)' equal to zero and attempt to solve: Simplifying 5 + 2x = 0 Solving 5 + 2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + 2x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + 2x = 0 + -5 2x = 0 + -5 Combine like terms: 0 + -5 = -5 2x = -5 Divide each side by '2'. x = -2.5 Simplifying x = -2.5

Subproblem 2

Set the factor '(5 + 2x)' equal to zero and attempt to solve: Simplifying 5 + 2x = 0 Solving 5 + 2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + 2x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + 2x = 0 + -5 2x = 0 + -5 Combine like terms: 0 + -5 = -5 2x = -5 Divide each side by '2'. x = -2.5 Simplifying x = -2.5

Solution

x = {-2.5, -2.5}

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