10y^2=-90

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Solution for 10y^2=-90 equation: 


Simplifying
10y2 = -90

Solving
10y2 = -90

Solving for variable 'y'.

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

Divide each side by '10'.
y2 = -9

Simplifying
y2 = -9

Reorder the terms:
9 + y2 = -9 + 9

Combine like terms: -9 + 9 = 0
9 + y2 = 0

The solution to this equation could not be determined.

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