2x^2-x+18=8x+8

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Solution for 2x^2-x+18=8x+8 equation: 


Simplifying
2x2 + -1x + 18 = 8x + 8

Reorder the terms:
18 + -1x + 2x2 = 8x + 8

Reorder the terms:
18 + -1x + 2x2 = 8 + 8x

Solving
18 + -1x + 2x2 = 8 + 8x

Solving for variable 'x'.

Reorder the terms:
18 + -8 + -1x + -8x + 2x2 = 8 + 8x + -8 + -8x

Combine like terms: 18 + -8 = 10
10 + -1x + -8x + 2x2 = 8 + 8x + -8 + -8x

Combine like terms: -1x + -8x = -9x
10 + -9x + 2x2 = 8 + 8x + -8 + -8x

Reorder the terms:
10 + -9x + 2x2 = 8 + -8 + 8x + -8x

Combine like terms: 8 + -8 = 0
10 + -9x + 2x2 = 0 + 8x + -8x
10 + -9x + 2x2 = 8x + -8x

Combine like terms: 8x + -8x = 0
10 + -9x + 2x2 = 0

Factor a trinomial.
(2 + -1x)(5 + -2x) = 0


Subproblem 1
Set the factor '(2 + -1x)' equal to zero and attempt to solve:

Simplifying
2 + -1x = 0

Solving
2 + -1x = 0

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

Add '-2' to each side of the equation.
2 + -2 + -1x = 0 + -2

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

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

Divide each side by '-1'.
x = 2

Simplifying
x = 2

Subproblem 2
Set the factor '(5 + -2x)' equal to zero and attempt to solve:

Simplifying
5 + -2x = 0

Solving
5 + -2x = 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 + -2x = 0 + -5

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

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

Divide each side by '-2'.
x = 2.5

Simplifying
x = 2.5
Solution
x = {2, 2.5}

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