x(2+10x)=36

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Solution for x(2+10x)=36 equation:


Simplifying
x(2 + 10x) = 36
(2 * x + 10x * x) = 36
(2x + 10x2) = 36

Solving
2x + 10x2 = 36

Solving for variable 'x'.

Reorder the terms:
-36 + 2x + 10x2 = 36 + -36

Combine like terms: 36 + -36 = 0
-36 + 2x + 10x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(-18 + x + 5x2) = 0

Factor a trinomial.
2((-2 + -1x)(9 + -5x)) = 0

Ignore the factor 2.

Subproblem 1

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

Subproblem 2

Set the factor '(9 + -5x)' equal to zero and attempt to solve: Simplifying 9 + -5x = 0 Solving 9 + -5x = 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 + -5x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -5x = 0 + -9 -5x = 0 + -9 Combine like terms: 0 + -9 = -9 -5x = -9 Divide each side by '-5'. x = 1.8 Simplifying x = 1.8

Solution

x = {-2, 1.8}

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