3*3+b^2=25

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Solution for 3*3+b^2=25 equation: 


Simplifying
3 * 3 + b2 = 25

Multiply 3 * 3
9 + b2 = 25

Solving
9 + b2 = 25

Solving for variable 'b'.

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

Add '-9' to each side of the equation.
9 + -9 + b2 = 25 + -9

Combine like terms: 9 + -9 = 0
0 + b2 = 25 + -9
b2 = 25 + -9

Combine like terms: 25 + -9 = 16
b2 = 16

Simplifying
b2 = 16

Take the square root of each side:
b = {-4, 4}

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