=8x^2+24x+18

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Solution for =8x^2+24x+18 equation:


Simplifying
0 = 8x2 + 24x + 18

Reorder the terms:
0 = 18 + 24x + 8x2

Solving
0 = 18 + 24x + 8x2

Solving for variable 'x'.

Combine like terms: 0 + -18 = -18
-18 + -24x + -8x2 = 18 + 24x + 8x2 + -18 + -24x + -8x2

Reorder the terms:
-18 + -24x + -8x2 = 18 + -18 + 24x + -24x + 8x2 + -8x2

Combine like terms: 18 + -18 = 0
-18 + -24x + -8x2 = 0 + 24x + -24x + 8x2 + -8x2
-18 + -24x + -8x2 = 24x + -24x + 8x2 + -8x2

Combine like terms: 24x + -24x = 0
-18 + -24x + -8x2 = 0 + 8x2 + -8x2
-18 + -24x + -8x2 = 8x2 + -8x2

Combine like terms: 8x2 + -8x2 = 0
-18 + -24x + -8x2 = 0

Factor out the Greatest Common Factor (GCF), '-2'.
-2(9 + 12x + 4x2) = 0

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

Ignore the factor -2.

Subproblem 1

Set the factor '(3 + 2x)' equal to zero and attempt to solve: Simplifying 3 + 2x = 0 Solving 3 + 2x = 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 + 2x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + 2x = 0 + -3 2x = 0 + -3 Combine like terms: 0 + -3 = -3 2x = -3 Divide each side by '2'. x = -1.5 Simplifying x = -1.5

Subproblem 2

Set the factor '(3 + 2x)' equal to zero and attempt to solve: Simplifying 3 + 2x = 0 Solving 3 + 2x = 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 + 2x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + 2x = 0 + -3 2x = 0 + -3 Combine like terms: 0 + -3 = -3 2x = -3 Divide each side by '2'. x = -1.5 Simplifying x = -1.5

Solution

x = {-1.5, -1.5}

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