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Simplifying
2x2 + 3x2 = 144
Combine like terms: 2x2 + 3x2 = 5x2
5x2 = 144
Solving
5x2 = 144
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Divide each side by '5'.
x2 = 28.8
Simplifying
x2 = 28.8
Take the square root of each side:
x = {-5.366563146, 5.366563146}
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