14x+8=2x^2-8

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


Simplifying
14x + 8 = 2x2 + -8

Reorder the terms:
8 + 14x = 2x2 + -8

Reorder the terms:
8 + 14x = -8 + 2x2

Solving
8 + 14x = -8 + 2x2

Solving for variable 'x'.

Reorder the terms:
8 + 8 + 14x + -2x2 = -8 + 2x2 + 8 + -2x2

Combine like terms: 8 + 8 = 16
16 + 14x + -2x2 = -8 + 2x2 + 8 + -2x2

Reorder the terms:
16 + 14x + -2x2 = -8 + 8 + 2x2 + -2x2

Combine like terms: -8 + 8 = 0
16 + 14x + -2x2 = 0 + 2x2 + -2x2
16 + 14x + -2x2 = 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
16 + 14x + -2x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(8 + 7x + -1x2) = 0

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

Ignore the factor 2.

Subproblem 1

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

Subproblem 2

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

Solution

x = {8, -1}

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