2(x+1)(x+7)=14

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Solution for 2(x+1)(x+7)=14 equation:


Simplifying
2(x + 1)(x + 7) = 14

Reorder the terms:
2(1 + x)(x + 7) = 14

Reorder the terms:
2(1 + x)(7 + x) = 14

Multiply (1 + x) * (7 + x)
2(1(7 + x) + x(7 + x)) = 14
2((7 * 1 + x * 1) + x(7 + x)) = 14
2((7 + 1x) + x(7 + x)) = 14
2(7 + 1x + (7 * x + x * x)) = 14
2(7 + 1x + (7x + x2)) = 14

Combine like terms: 1x + 7x = 8x
2(7 + 8x + x2) = 14
(7 * 2 + 8x * 2 + x2 * 2) = 14
(14 + 16x + 2x2) = 14

Add '-14' to each side of the equation.
14 + 16x + -14 + 2x2 = 14 + -14

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

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

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

Solving
16x + 2x2 = 0

Solving for variable 'x'.

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

Ignore the factor 2.

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 '(8 + x)' equal to zero and attempt to solve: Simplifying 8 + x = 0 Solving 8 + x = 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 + x = 0 + -8 Combine like terms: 8 + -8 = 0 0 + x = 0 + -8 x = 0 + -8 Combine like terms: 0 + -8 = -8 x = -8 Simplifying x = -8

Solution

x = {0, -8}

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