-3b^2+21-36=0

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Solution for -3b^2+21-36=0 equation:


Simplifying
-3b2 + 21 + -36 = 0

Reorder the terms:
21 + -36 + -3b2 = 0

Combine like terms: 21 + -36 = -15
-15 + -3b2 = 0

Solving
-15 + -3b2 = 0

Solving for variable 'b'.

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

Add '15' to each side of the equation.
-15 + 15 + -3b2 = 0 + 15

Combine like terms: -15 + 15 = 0
0 + -3b2 = 0 + 15
-3b2 = 0 + 15

Combine like terms: 0 + 15 = 15
-3b2 = 15

Divide each side by '-3'.
b2 = -5

Simplifying
b2 = -5

Reorder the terms:
5 + b2 = -5 + 5

Combine like terms: -5 + 5 = 0
5 + b2 = 0

The solution to this equation could not be determined.

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