-2x^2+9x^2=

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Solution for -2x^2+9x^2= equation: 


Simplifying
-2x2 + 9x2 = 0

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

Solving
7x2 = 0

Solving for variable 'x'.

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

Divide each side by '7'.
x2 = 0

Simplifying
x2 = 0

Take the square root of each side:
x = {0}

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