57+14x^2-12-13x-8x^2=5x+45

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Solution for 57+14x^2-12-13x-8x^2=5x+45 equation:


Simplifying
57 + 14x2 + -12 + -13x + -8x2 = 5x + 45

Reorder the terms:
57 + -12 + -13x + 14x2 + -8x2 = 5x + 45

Combine like terms: 57 + -12 = 45
45 + -13x + 14x2 + -8x2 = 5x + 45

Combine like terms: 14x2 + -8x2 = 6x2
45 + -13x + 6x2 = 5x + 45

Reorder the terms:
45 + -13x + 6x2 = 45 + 5x

Add '-45' to each side of the equation.
45 + -13x + -45 + 6x2 = 45 + -45 + 5x

Reorder the terms:
45 + -45 + -13x + 6x2 = 45 + -45 + 5x

Combine like terms: 45 + -45 = 0
0 + -13x + 6x2 = 45 + -45 + 5x
-13x + 6x2 = 45 + -45 + 5x

Combine like terms: 45 + -45 = 0
-13x + 6x2 = 0 + 5x
-13x + 6x2 = 5x

Solving
-13x + 6x2 = 5x

Solving for variable 'x'.

Reorder the terms:
-13x + -5x + 6x2 = 5x + -5x

Combine like terms: -13x + -5x = -18x
-18x + 6x2 = 5x + -5x

Combine like terms: 5x + -5x = 0
-18x + 6x2 = 0

Factor out the Greatest Common Factor (GCF), '6x'.
6x(-3 + x) = 0

Ignore the factor 6.

Subproblem 1

Set the factor 'x' equal to zero and attempt to solve: Simplifying x = 0 Solving x = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x = 0

Subproblem 2

Set the factor '(-3 + x)' equal to zero and attempt to solve: Simplifying -3 + x = 0 Solving -3 + x = 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 + x = 0 + 3 Combine like terms: -3 + 3 = 0 0 + x = 0 + 3 x = 0 + 3 Combine like terms: 0 + 3 = 3 x = 3 Simplifying x = 3

Solution

x = {0, 3}

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