(4)4+b(b)=25

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Solution for (4)4+b(b)=25 equation: 


Simplifying
(4) * 4 + b(b) = 25

Multiply 4 * 4
16 + b(b) = 25

Multiply b * b
16 + b2 = 25

Solving
16 + b2 = 25

Solving for variable 'b'.

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

Add '-16' to each side of the equation.
16 + -16 + b2 = 25 + -16

Combine like terms: 16 + -16 = 0
0 + b2 = 25 + -16
b2 = 25 + -16

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

Simplifying
b2 = 9

Take the square root of each side:
b = {-3, 3}

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