b^2-2b=3b+24

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Solution for b^2-2b=3b+24 equation:


Simplifying
b2 + -2b = 3b + 24

Reorder the terms:
-2b + b2 = 3b + 24

Reorder the terms:
-2b + b2 = 24 + 3b

Solving
-2b + b2 = 24 + 3b

Solving for variable 'b'.

Reorder the terms:
-24 + -2b + -3b + b2 = 24 + 3b + -24 + -3b

Combine like terms: -2b + -3b = -5b
-24 + -5b + b2 = 24 + 3b + -24 + -3b

Reorder the terms:
-24 + -5b + b2 = 24 + -24 + 3b + -3b

Combine like terms: 24 + -24 = 0
-24 + -5b + b2 = 0 + 3b + -3b
-24 + -5b + b2 = 3b + -3b

Combine like terms: 3b + -3b = 0
-24 + -5b + b2 = 0

Factor a trinomial.
(-3 + -1b)(8 + -1b) = 0

Subproblem 1

Set the factor '(-3 + -1b)' equal to zero and attempt to solve: Simplifying -3 + -1b = 0 Solving -3 + -1b = 0 Move all terms containing b to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + -1b = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -1b = 0 + 3 -1b = 0 + 3 Combine like terms: 0 + 3 = 3 -1b = 3 Divide each side by '-1'. b = -3 Simplifying b = -3

Subproblem 2

Set the factor '(8 + -1b)' equal to zero and attempt to solve: Simplifying 8 + -1b = 0 Solving 8 + -1b = 0 Move all terms containing b to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + -1b = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -1b = 0 + -8 -1b = 0 + -8 Combine like terms: 0 + -8 = -8 -1b = -8 Divide each side by '-1'. b = 8 Simplifying b = 8

Solution

b = {-3, 8}

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