Y^2+10=91

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Solution for Y^2+10=91 equation: 


Simplifying
Y2 + 10 = 91

Reorder the terms:
10 + Y2 = 91

Solving
10 + Y2 = 91

Solving for variable 'Y'.

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

Add '-10' to each side of the equation.
10 + -10 + Y2 = 91 + -10

Combine like terms: 10 + -10 = 0
0 + Y2 = 91 + -10
Y2 = 91 + -10

Combine like terms: 91 + -10 = 81
Y2 = 81

Simplifying
Y2 = 81

Take the square root of each side:
Y = {-9, 9}

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