4x(x+2)+2=14

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Solution for 4x(x+2)+2=14 equation:


Simplifying
4x(x + 2) + 2 = 14

Reorder the terms:
4x(2 + x) + 2 = 14
(2 * 4x + x * 4x) + 2 = 14
(8x + 4x2) + 2 = 14

Reorder the terms:
2 + 8x + 4x2 = 14

Solving
2 + 8x + 4x2 = 14

Solving for variable 'x'.

Reorder the terms:
2 + -14 + 8x + 4x2 = 14 + -14

Combine like terms: 2 + -14 = -12
-12 + 8x + 4x2 = 14 + -14

Combine like terms: 14 + -14 = 0
-12 + 8x + 4x2 = 0

Factor out the Greatest Common Factor (GCF), '4'.
4(-3 + 2x + x2) = 0

Factor a trinomial.
4((-3 + -1x)(1 + -1x)) = 0

Ignore the factor 4.

Subproblem 1

Set the factor '(-3 + -1x)' equal to zero and attempt to solve: Simplifying -3 + -1x = 0 Solving -3 + -1x = 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 + -1x = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -1x = 0 + 3 -1x = 0 + 3 Combine like terms: 0 + 3 = 3 -1x = 3 Divide each side by '-1'. x = -3 Simplifying x = -3

Subproblem 2

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

Solution

x = {-3, 1}

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