9b^2+10=91

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Solution for 9b^2+10=91 equation:


Simplifying
9b2 + 10 = 91

Reorder the terms:
10 + 9b2 = 91

Solving
10 + 9b2 = 91

Solving for variable 'b'.

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

Add '-10' to each side of the equation.
10 + -10 + 9b2 = 91 + -10

Combine like terms: 10 + -10 = 0
0 + 9b2 = 91 + -10
9b2 = 91 + -10

Combine like terms: 91 + -10 = 81
9b2 = 81

Divide each side by '9'.
b2 = 9

Simplifying
b2 = 9

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

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