14x^2-57x+72=8x^2

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Solution for 14x^2-57x+72=8x^2 equation:


Simplifying
14x2 + -57x + 72 = 8x2

Reorder the terms:
72 + -57x + 14x2 = 8x2

Solving
72 + -57x + 14x2 = 8x2

Solving for variable 'x'.

Combine like terms: 14x2 + -8x2 = 6x2
72 + -57x + 6x2 = 8x2 + -8x2

Combine like terms: 8x2 + -8x2 = 0
72 + -57x + 6x2 = 0

Factor out the Greatest Common Factor (GCF), '3'.
3(24 + -19x + 2x2) = 0

Factor a trinomial.
3((3 + -2x)(8 + -1x)) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(3 + -2x)' equal to zero and attempt to solve: Simplifying 3 + -2x = 0 Solving 3 + -2x = 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 + -2x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -2x = 0 + -3 -2x = 0 + -3 Combine like terms: 0 + -3 = -3 -2x = -3 Divide each side by '-2'. x = 1.5 Simplifying x = 1.5

Subproblem 2

Set the factor '(8 + -1x)' equal to zero and attempt to solve: Simplifying 8 + -1x = 0 Solving 8 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + -1x = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -1x = 0 + -8 -1x = 0 + -8 Combine like terms: 0 + -8 = -8 -1x = -8 Divide each side by '-1'. x = 8 Simplifying x = 8

Solution

x = {1.5, 8}

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