4x^2+25x=-36

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Solution for 4x^2+25x=-36 equation:


Simplifying
4x2 + 25x = -36

Reorder the terms:
25x + 4x2 = -36

Solving
25x + 4x2 = -36

Solving for variable 'x'.

Reorder the terms:
36 + 25x + 4x2 = -36 + 36

Combine like terms: -36 + 36 = 0
36 + 25x + 4x2 = 0

Factor a trinomial.
(4 + x)(9 + 4x) = 0

Subproblem 1

Set the factor '(4 + x)' equal to zero and attempt to solve: Simplifying 4 + x = 0 Solving 4 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + x = 0 + -4 x = 0 + -4 Combine like terms: 0 + -4 = -4 x = -4 Simplifying x = -4

Subproblem 2

Set the factor '(9 + 4x)' equal to zero and attempt to solve: Simplifying 9 + 4x = 0 Solving 9 + 4x = 0 Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + 4x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + 4x = 0 + -9 4x = 0 + -9 Combine like terms: 0 + -9 = -9 4x = -9 Divide each side by '4'. x = -2.25 Simplifying x = -2.25

Solution

x = {-4, -2.25}

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