x^2+7x+2=2x+2

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Solution for x^2+7x+2=2x+2 equation:


Simplifying
x2 + 7x + 2 = 2x + 2

Reorder the terms:
2 + 7x + x2 = 2x + 2

Reorder the terms:
2 + 7x + x2 = 2 + 2x

Add '-2' to each side of the equation.
2 + 7x + -2 + x2 = 2 + -2 + 2x

Reorder the terms:
2 + -2 + 7x + x2 = 2 + -2 + 2x

Combine like terms: 2 + -2 = 0
0 + 7x + x2 = 2 + -2 + 2x
7x + x2 = 2 + -2 + 2x

Combine like terms: 2 + -2 = 0
7x + x2 = 0 + 2x
7x + x2 = 2x

Solving
7x + x2 = 2x

Solving for variable 'x'.

Reorder the terms:
7x + -2x + x2 = 2x + -2x

Combine like terms: 7x + -2x = 5x
5x + x2 = 2x + -2x

Combine like terms: 2x + -2x = 0
5x + x2 = 0

Factor out the Greatest Common Factor (GCF), 'x'.
x(5 + x) = 0

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 '(5 + x)' equal to zero and attempt to solve: Simplifying 5 + x = 0 Solving 5 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + x = 0 + -5 x = 0 + -5 Combine like terms: 0 + -5 = -5 x = -5 Simplifying x = -5

Solution

x = {0, -5}

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