8y^2-40=32

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Solution for 8y^2-40=32 equation: 


Simplifying
8y2 + -40 = 32

Reorder the terms:
-40 + 8y2 = 32

Solving
-40 + 8y2 = 32

Solving for variable 'y'.

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

Add '40' to each side of the equation.
-40 + 40 + 8y2 = 32 + 40

Combine like terms: -40 + 40 = 0
0 + 8y2 = 32 + 40
8y2 = 32 + 40

Combine like terms: 32 + 40 = 72
8y2 = 72

Divide each side by '8'.
y2 = 9

Simplifying
y2 = 9

Take the square root of each side:
y = {-3, 3}

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