4x^2+3x^2=576

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Solution for 4x^2+3x^2=576 equation: 


Simplifying
4x2 + 3x2 = 576

Combine like terms: 4x2 + 3x2 = 7x2
7x2 = 576

Solving
7x2 = 576

Solving for variable 'x'.

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

Divide each side by '7'.
x2 = 82.28571429

Simplifying
x2 = 82.28571429

Take the square root of each side:
x = {-9.071147352, 9.071147352}

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