20x^2+16x-15x=12

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Solution for 20x^2+16x-15x=12 equation:


Simplifying
20x2 + 16x + -15x = 12

Reorder the terms:
16x + -15x + 20x2 = 12

Combine like terms: 16x + -15x = 1x
1x + 20x2 = 12

Solving
1x + 20x2 = 12

Solving for variable 'x'.

Reorder the terms:
-12 + 1x + 20x2 = 12 + -12

Combine like terms: 12 + -12 = 0
-12 + 1x + 20x2 = 0

Factor a trinomial.
(-4 + -5x)(3 + -4x) = 0

Subproblem 1

Set the factor '(-4 + -5x)' equal to zero and attempt to solve: Simplifying -4 + -5x = 0 Solving -4 + -5x = 0 Move all terms containing x to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + -5x = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -5x = 0 + 4 -5x = 0 + 4 Combine like terms: 0 + 4 = 4 -5x = 4 Divide each side by '-5'. x = -0.8 Simplifying x = -0.8

Subproblem 2

Set the factor '(3 + -4x)' equal to zero and attempt to solve: Simplifying 3 + -4x = 0 Solving 3 + -4x = 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 + -4x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -4x = 0 + -3 -4x = 0 + -3 Combine like terms: 0 + -3 = -3 -4x = -3 Divide each side by '-4'. x = 0.75 Simplifying x = 0.75

Solution

x = {-0.8, 0.75}

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