-4b^2+16=0

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Solution for -4b^2+16=0 equation: 


Simplifying
-4b2 + 16 = 0

Reorder the terms:
16 + -4b2 = 0

Solving
16 + -4b2 = 0

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 + -4b2 = 0 + -16

Combine like terms: 16 + -16 = 0
0 + -4b2 = 0 + -16
-4b2 = 0 + -16

Combine like terms: 0 + -16 = -16
-4b2 = -16

Divide each side by '-4'.
b2 = 4

Simplifying
b2 = 4

Take the square root of each side:
b = {-2, 2}

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