8b^2-7=281

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Solution for 8b^2-7=281 equation:


Simplifying
8b2 + -7 = 281

Reorder the terms:
-7 + 8b2 = 281

Solving
-7 + 8b2 = 281

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 + 8b2 = 281 + 7

Combine like terms: -7 + 7 = 0
0 + 8b2 = 281 + 7
8b2 = 281 + 7

Combine like terms: 281 + 7 = 288
8b2 = 288

Divide each side by '8'.
b2 = 36

Simplifying
b2 = 36

Take the square root of each side:
b = {-6, 6}

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