9x^2-4x^2=36

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Solution for 9x^2-4x^2=36 equation: 


Simplifying
9x2 + -4x2 = 36

Combine like terms: 9x2 + -4x2 = 5x2
5x2 = 36

Solving
5x2 = 36

Solving for variable 'x'.

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

Divide each side by '5'.
x2 = 7.2

Simplifying
x2 = 7.2

Take the square root of each side:
x = {-2.683281573, 2.683281573}

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