5x^2+8x^2=77

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Solution for 5x^2+8x^2=77 equation: 


Simplifying
5x2 + 8x2 = 77

Combine like terms: 5x2 + 8x2 = 13x2
13x2 = 77

Solving
13x2 = 77

Solving for variable 'x'.

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

Divide each side by '13'.
x2 = 5.923076923

Simplifying
x2 = 5.923076923

Take the square root of each side:
x = {-2.433737234, 2.433737234}

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