5x^2+3x^2=64

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Solution for 5x^2+3x^2=64 equation: 


Simplifying
5x2 + 3x2 = 64

Combine like terms: 5x2 + 3x2 = 8x2
8x2 = 64

Solving
8x2 = 64

Solving for variable 'x'.

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

Divide each side by '8'.
x2 = 8

Simplifying
x2 = 8

Take the square root of each side:
x = {-2.828427125, 2.828427125}

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