16x^2+40x+16=(-9)

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Solution for 16x^2+40x+16=(-9) equation:


Simplifying
16x2 + 40x + 16 = (-9)

Reorder the terms:
16 + 40x + 16x2 = (-9)
16 + 40x + 16x2 = -9

Solving
16 + 40x + 16x2 = -9

Solving for variable 'x'.

Reorder the terms:
16 + 9 + 40x + 16x2 = -9 + 9

Combine like terms: 16 + 9 = 25
25 + 40x + 16x2 = -9 + 9

Combine like terms: -9 + 9 = 0
25 + 40x + 16x2 = 0

Factor a trinomial.
(5 + 4x)(5 + 4x) = 0

Subproblem 1

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. Add '-5' to each side of the equation. 5 + -5 + 4x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + 4x = 0 + -5 4x = 0 + -5 Combine like terms: 0 + -5 = -5 4x = -5 Divide each side by '4'. x = -1.25 Simplifying x = -1.25

Subproblem 2

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. Add '-5' to each side of the equation. 5 + -5 + 4x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + 4x = 0 + -5 4x = 0 + -5 Combine like terms: 0 + -5 = -5 4x = -5 Divide each side by '4'. x = -1.25 Simplifying x = -1.25

Solution

x = {-1.25, -1.25}

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