(2x^2+6x+6)+(-2x^2-5)=4x+8

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Solution for (2x^2+6x+6)+(-2x^2-5)=4x+8 equation:


Simplifying
(2x2 + 6x + 6) + (-2x2 + -5) = 4x + 8

Reorder the terms:
(6 + 6x + 2x2) + (-2x2 + -5) = 4x + 8

Remove parenthesis around (6 + 6x + 2x2)
6 + 6x + 2x2 + (-2x2 + -5) = 4x + 8

Reorder the terms:
6 + 6x + 2x2 + (-5 + -2x2) = 4x + 8

Remove parenthesis around (-5 + -2x2)
6 + 6x + 2x2 + -5 + -2x2 = 4x + 8

Reorder the terms:
6 + -5 + 6x + 2x2 + -2x2 = 4x + 8

Combine like terms: 6 + -5 = 1
1 + 6x + 2x2 + -2x2 = 4x + 8

Combine like terms: 2x2 + -2x2 = 0
1 + 6x + 0 = 4x + 8
1 + 6x = 4x + 8

Reorder the terms:
1 + 6x = 8 + 4x

Solving
1 + 6x = 8 + 4x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-4x' to each side of the equation.
1 + 6x + -4x = 8 + 4x + -4x

Combine like terms: 6x + -4x = 2x
1 + 2x = 8 + 4x + -4x

Combine like terms: 4x + -4x = 0
1 + 2x = 8 + 0
1 + 2x = 8

Add '-1' to each side of the equation.
1 + -1 + 2x = 8 + -1

Combine like terms: 1 + -1 = 0
0 + 2x = 8 + -1
2x = 8 + -1

Combine like terms: 8 + -1 = 7
2x = 7

Divide each side by '2'.
x = 3.5

Simplifying
x = 3.5

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