2X^2-9X-2=9-9X

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Solution for 2X^2-9X-2=9-9X equation: 


Simplifying
2X2 + -9X + -2 = 9 + -9X

Reorder the terms:
-2 + -9X + 2X2 = 9 + -9X

Add '9X' to each side of the equation.
-2 + -9X + 9X + 2X2 = 9 + -9X + 9X

Combine like terms: -9X + 9X = 0
-2 + 0 + 2X2 = 9 + -9X + 9X
-2 + 2X2 = 9 + -9X + 9X

Combine like terms: -9X + 9X = 0
-2 + 2X2 = 9 + 0
-2 + 2X2 = 9

Solving
-2 + 2X2 = 9

Solving for variable 'X'.

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

Add '2' to each side of the equation.
-2 + 2 + 2X2 = 9 + 2

Combine like terms: -2 + 2 = 0
0 + 2X2 = 9 + 2
2X2 = 9 + 2

Combine like terms: 9 + 2 = 11
2X2 = 11

Divide each side by '2'.
X2 = 5.5

Simplifying
X2 = 5.5

Take the square root of each side:
X = {-2.34520788, 2.34520788}

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