20x^2+16x=36

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Solution for 20x^2+16x=36 equation:


Simplifying
20x2 + 16x = 36

Reorder the terms:
16x + 20x2 = 36

Solving
16x + 20x2 = 36

Solving for variable 'x'.

Reorder the terms:
-36 + 16x + 20x2 = 36 + -36

Combine like terms: 36 + -36 = 0
-36 + 16x + 20x2 = 0

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

Factor a trinomial.
4((-9 + -5x)(1 + -1x)) = 0

Ignore the factor 4.

Subproblem 1

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

Subproblem 2

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

Solution

x = {-1.8, 1}

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