3x^2+5x-16=2x^2+3x-8

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Solution for 3x^2+5x-16=2x^2+3x-8 equation:


Simplifying
3x2 + 5x + -16 = 2x2 + 3x + -8

Reorder the terms:
-16 + 5x + 3x2 = 2x2 + 3x + -8

Reorder the terms:
-16 + 5x + 3x2 = -8 + 3x + 2x2

Solving
-16 + 5x + 3x2 = -8 + 3x + 2x2

Solving for variable 'x'.

Reorder the terms:
-16 + 8 + 5x + -3x + 3x2 + -2x2 = -8 + 3x + 2x2 + 8 + -3x + -2x2

Combine like terms: -16 + 8 = -8
-8 + 5x + -3x + 3x2 + -2x2 = -8 + 3x + 2x2 + 8 + -3x + -2x2

Combine like terms: 5x + -3x = 2x
-8 + 2x + 3x2 + -2x2 = -8 + 3x + 2x2 + 8 + -3x + -2x2

Combine like terms: 3x2 + -2x2 = 1x2
-8 + 2x + 1x2 = -8 + 3x + 2x2 + 8 + -3x + -2x2

Reorder the terms:
-8 + 2x + 1x2 = -8 + 8 + 3x + -3x + 2x2 + -2x2

Combine like terms: -8 + 8 = 0
-8 + 2x + 1x2 = 0 + 3x + -3x + 2x2 + -2x2
-8 + 2x + 1x2 = 3x + -3x + 2x2 + -2x2

Combine like terms: 3x + -3x = 0
-8 + 2x + 1x2 = 0 + 2x2 + -2x2
-8 + 2x + 1x2 = 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
-8 + 2x + 1x2 = 0

Factor a trinomial.
(-4 + -1x)(2 + -1x) = 0

Subproblem 1

Set the factor '(-4 + -1x)' equal to zero and attempt to solve: Simplifying -4 + -1x = 0 Solving -4 + -1x = 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 + -1x = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -1x = 0 + 4 -1x = 0 + 4 Combine like terms: 0 + 4 = 4 -1x = 4 Divide each side by '-1'. x = -4 Simplifying x = -4

Subproblem 2

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

Solution

x = {-4, 2}

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