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Simplifying
7b2 + 4 = 704
Reorder the terms:
4 + 7b2 = 704
Solving
4 + 7b2 = 704
Solving for variable 'b'.
Move all terms containing b to the left, all other terms to the right.
Add '-4' to each side of the equation.
4 + -4 + 7b2 = 704 + -4
Combine like terms: 4 + -4 = 0
0 + 7b2 = 704 + -4
7b2 = 704 + -4
Combine like terms: 704 + -4 = 700
7b2 = 700
Divide each side by '7'.
b2 = 100
Simplifying
b2 = 100
Take the square root of each side:
b = {-10, 10}
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