-5b^2+7=2

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Solution for -5b^2+7=2 equation: 


Simplifying
-5b2 + 7 = 2

Reorder the terms:
7 + -5b2 = 2

Solving
7 + -5b2 = 2

Solving for variable 'b'.

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

Add '-7' to each side of the equation.
7 + -7 + -5b2 = 2 + -7

Combine like terms: 7 + -7 = 0
0 + -5b2 = 2 + -7
-5b2 = 2 + -7

Combine like terms: 2 + -7 = -5
-5b2 = -5

Divide each side by '-5'.
b2 = 1

Simplifying
b2 = 1

Take the square root of each side:
b = {-1, 1}

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