2x^2+3x^2=720

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Solution for 2x^2+3x^2=720 equation: 


Simplifying
2x2 + 3x2 = 720

Combine like terms: 2x2 + 3x2 = 5x2
5x2 = 720

Solving
5x2 = 720

Solving for variable 'x'.

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

Divide each side by '5'.
x2 = 144

Simplifying
x2 = 144

Take the square root of each side:
x = {-12, 12}

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