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Simplifying
4b2 + -3 = 157
Reorder the terms:
-3 + 4b2 = 157
Solving
-3 + 4b2 = 157
Solving for variable 'b'.
Move all terms containing b to the left, all other terms to the right.
Add '3' to each side of the equation.
-3 + 3 + 4b2 = 157 + 3
Combine like terms: -3 + 3 = 0
0 + 4b2 = 157 + 3
4b2 = 157 + 3
Combine like terms: 157 + 3 = 160
4b2 = 160
Divide each side by '4'.
b2 = 40
Simplifying
b2 = 40
Take the square root of each side:
b = {-6.32455532, 6.32455532}
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