8x(2x+7)=-24

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Solution for 8x(2x+7)=-24 equation:


Simplifying
8x(2x + 7) = -24

Reorder the terms:
8x(7 + 2x) = -24
(7 * 8x + 2x * 8x) = -24
(56x + 16x2) = -24

Solving
56x + 16x2 = -24

Solving for variable 'x'.

Reorder the terms:
24 + 56x + 16x2 = -24 + 24

Combine like terms: -24 + 24 = 0
24 + 56x + 16x2 = 0

Factor out the Greatest Common Factor (GCF), '8'.
8(3 + 7x + 2x2) = 0

Factor a trinomial.
8((3 + x)(1 + 2x)) = 0

Ignore the factor 8.

Subproblem 1

Set the factor '(3 + x)' equal to zero and attempt to solve: Simplifying 3 + x = 0 Solving 3 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + x = 0 + -3 x = 0 + -3 Combine like terms: 0 + -3 = -3 x = -3 Simplifying x = -3

Subproblem 2

Set the factor '(1 + 2x)' equal to zero and attempt to solve: Simplifying 1 + 2x = 0 Solving 1 + 2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + 2x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 2x = 0 + -1 2x = 0 + -1 Combine like terms: 0 + -1 = -1 2x = -1 Divide each side by '2'. x = -0.5 Simplifying x = -0.5

Solution

x = {-3, -0.5}

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