8x^2=80+3x^2

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Solution for 8x^2=80+3x^2 equation: 


Simplifying
8x2 = 80 + 3x2

Solving
8x2 = 80 + 3x2

Solving for variable 'x'.

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

Add '-3x2' to each side of the equation.
8x2 + -3x2 = 80 + 3x2 + -3x2

Combine like terms: 8x2 + -3x2 = 5x2
5x2 = 80 + 3x2 + -3x2

Combine like terms: 3x2 + -3x2 = 0
5x2 = 80 + 0
5x2 = 80

Divide each side by '5'.
x2 = 16

Simplifying
x2 = 16

Take the square root of each side:
x = {-4, 4}

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