3x^2=5x^2-18

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Solution for 3x^2=5x^2-18 equation: 


Simplifying
3x2 = 5x2 + -18

Reorder the terms:
3x2 = -18 + 5x2

Solving
3x2 = -18 + 5x2

Solving for variable 'x'.

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

Add '-5x2' to each side of the equation.
3x2 + -5x2 = -18 + 5x2 + -5x2

Combine like terms: 3x2 + -5x2 = -2x2
-2x2 = -18 + 5x2 + -5x2

Combine like terms: 5x2 + -5x2 = 0
-2x2 = -18 + 0
-2x2 = -18

Divide each side by '-2'.
x2 = 9

Simplifying
x2 = 9

Take the square root of each side:
x = {-3, 3}

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