7x^2-18x=-2x^2-7x-2

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Solution for 7x^2-18x=-2x^2-7x-2 equation: 


Simplifying
7x2 + -18x = -2x2 + -7x + -2

Reorder the terms:
-18x + 7x2 = -2x2 + -7x + -2

Reorder the terms:
-18x + 7x2 = -2 + -7x + -2x2

Solving
-18x + 7x2 = -2 + -7x + -2x2

Solving for variable 'x'.

Reorder the terms:
2 + -18x + 7x + 7x2 + 2x2 = -2 + -7x + -2x2 + 2 + 7x + 2x2

Combine like terms: -18x + 7x = -11x
2 + -11x + 7x2 + 2x2 = -2 + -7x + -2x2 + 2 + 7x + 2x2

Combine like terms: 7x2 + 2x2 = 9x2
2 + -11x + 9x2 = -2 + -7x + -2x2 + 2 + 7x + 2x2

Reorder the terms:
2 + -11x + 9x2 = -2 + 2 + -7x + 7x + -2x2 + 2x2

Combine like terms: -2 + 2 = 0
2 + -11x + 9x2 = 0 + -7x + 7x + -2x2 + 2x2
2 + -11x + 9x2 = -7x + 7x + -2x2 + 2x2

Combine like terms: -7x + 7x = 0
2 + -11x + 9x2 = 0 + -2x2 + 2x2
2 + -11x + 9x2 = -2x2 + 2x2

Combine like terms: -2x2 + 2x2 = 0
2 + -11x + 9x2 = 0

Factor a trinomial.
(2 + -9x)(1 + -1x) = 0


Subproblem 1
Set the factor '(2 + -9x)' equal to zero and attempt to solve:

Simplifying
2 + -9x = 0

Solving
2 + -9x = 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 + -9x = 0 + -2

Combine like terms: 2 + -2 = 0
0 + -9x = 0 + -2
-9x = 0 + -2

Combine like terms: 0 + -2 = -2
-9x = -2

Divide each side by '-9'.
x = 0.2222222222

Simplifying
x = 0.2222222222

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 = {0.2222222222, 1}

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