9x^2-36=

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Solution for 9x^2-36= equation:


Simplifying
9x2 + -36 = 0

Reorder the terms:
-36 + 9x2 = 0

Solving
-36 + 9x2 = 0

Solving for variable 'x'.

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

Add '36' to each side of the equation.
-36 + 36 + 9x2 = 0 + 36

Combine like terms: -36 + 36 = 0
0 + 9x2 = 0 + 36
9x2 = 0 + 36

Combine like terms: 0 + 36 = 36
9x2 = 36

Divide each side by '9'.
x2 = 4

Simplifying
x2 = 4

Take the square root of each side:
x = {-2, 2}

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