5y^2-80=

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Solution for 5y^2-80= equation:


Simplifying
5y2 + -80 = 0

Reorder the terms:
-80 + 5y2 = 0

Solving
-80 + 5y2 = 0

Solving for variable 'y'.

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

Add '80' to each side of the equation.
-80 + 80 + 5y2 = 0 + 80

Combine like terms: -80 + 80 = 0
0 + 5y2 = 0 + 80
5y2 = 0 + 80

Combine like terms: 0 + 80 = 80
5y2 = 80

Divide each side by '5'.
y2 = 16

Simplifying
y2 = 16

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

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