8x^2+24x+36=900

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Solution for 8x^2+24x+36=900 equation:


Simplifying
8x2 + 24x + 36 = 900

Reorder the terms:
36 + 24x + 8x2 = 900

Solving
36 + 24x + 8x2 = 900

Solving for variable 'x'.

Reorder the terms:
36 + -900 + 24x + 8x2 = 900 + -900

Combine like terms: 36 + -900 = -864
-864 + 24x + 8x2 = 900 + -900

Combine like terms: 900 + -900 = 0
-864 + 24x + 8x2 = 0

Factor out the Greatest Common Factor (GCF), '8'.
8(-108 + 3x + x2) = 0

Factor a trinomial.
8((-12 + -1x)(9 + -1x)) = 0

Ignore the factor 8.

Subproblem 1

Set the factor '(-12 + -1x)' equal to zero and attempt to solve: Simplifying -12 + -1x = 0 Solving -12 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '12' to each side of the equation. -12 + 12 + -1x = 0 + 12 Combine like terms: -12 + 12 = 0 0 + -1x = 0 + 12 -1x = 0 + 12 Combine like terms: 0 + 12 = 12 -1x = 12 Divide each side by '-1'. x = -12 Simplifying x = -12

Subproblem 2

Set the factor '(9 + -1x)' equal to zero and attempt to solve: Simplifying 9 + -1x = 0 Solving 9 + -1x = 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 + -1x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -1x = 0 + -9 -1x = 0 + -9 Combine like terms: 0 + -9 = -9 -1x = -9 Divide each side by '-1'. x = 9 Simplifying x = 9

Solution

x = {-12, 9}

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