8x^2+18x=-10

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Solution for 8x^2+18x=-10 equation:


Simplifying
8x2 + 18x = -10

Reorder the terms:
18x + 8x2 = -10

Solving
18x + 8x2 = -10

Solving for variable 'x'.

Reorder the terms:
10 + 18x + 8x2 = -10 + 10

Combine like terms: -10 + 10 = 0
10 + 18x + 8x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(5 + 9x + 4x2) = 0

Factor a trinomial.
2((5 + 4x)(1 + x)) = 0

Ignore the factor 2.

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 '(1 + x)' equal to zero and attempt to solve: Simplifying 1 + x = 0 Solving 1 + x = 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 + x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + x = 0 + -1 x = 0 + -1 Combine like terms: 0 + -1 = -1 x = -1 Simplifying x = -1

Solution

x = {-1.25, -1}

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