18x^2+3x-90=3x+8

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Solution for 18x^2+3x-90=3x+8 equation: 


Simplifying
18x2 + 3x + -90 = 3x + 8

Reorder the terms:
-90 + 3x + 18x2 = 3x + 8

Reorder the terms:
-90 + 3x + 18x2 = 8 + 3x

Add '-3x' to each side of the equation.
-90 + 3x + -3x + 18x2 = 8 + 3x + -3x

Combine like terms: 3x + -3x = 0
-90 + 0 + 18x2 = 8 + 3x + -3x
-90 + 18x2 = 8 + 3x + -3x

Combine like terms: 3x + -3x = 0
-90 + 18x2 = 8 + 0
-90 + 18x2 = 8

Solving
-90 + 18x2 = 8

Solving for variable 'x'.

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

Add '90' to each side of the equation.
-90 + 90 + 18x2 = 8 + 90

Combine like terms: -90 + 90 = 0
0 + 18x2 = 8 + 90
18x2 = 8 + 90

Combine like terms: 8 + 90 = 98
18x2 = 98

Divide each side by '18'.
x2 = 5.444444444

Simplifying
x2 = 5.444444444

Take the square root of each side:
x = {-2.333333333, 2.333333333}

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