8X^2-80=0

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Solution for 8X^2-80=0 equation:


Simplifying
8X2 + -80 = 0

Reorder the terms:
-80 + 8X2 = 0

Solving
-80 + 8X2 = 0

Solving for variable 'X'.

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

Add '80' to each side of the equation.
-80 + 80 + 8X2 = 0 + 80

Combine like terms: -80 + 80 = 0
0 + 8X2 = 0 + 80
8X2 = 0 + 80

Combine like terms: 0 + 80 = 80
8X2 = 80

Divide each side by '8'.
X2 = 10

Simplifying
X2 = 10

Take the square root of each side:
X = {-3.16227766, 3.16227766}

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