64x^2+36x^2=42.25

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Solution for 64x^2+36x^2=42.25 equation: 


Simplifying
64x2 + 36x2 = 42.25

Combine like terms: 64x2 + 36x2 = 100x2
100x2 = 42.25

Solving
100x2 = 42.25

Solving for variable 'x'.

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

Divide each side by '100'.
x2 = 0.4225

Simplifying
x2 = 0.4225

Take the square root of each side:
x = {-0.65, 0.65}

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