b^2-3b=2b+14

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Solution for b^2-3b=2b+14 equation:


Simplifying
b2 + -3b = 2b + 14

Reorder the terms:
-3b + b2 = 2b + 14

Reorder the terms:
-3b + b2 = 14 + 2b

Solving
-3b + b2 = 14 + 2b

Solving for variable 'b'.

Reorder the terms:
-14 + -3b + -2b + b2 = 14 + 2b + -14 + -2b

Combine like terms: -3b + -2b = -5b
-14 + -5b + b2 = 14 + 2b + -14 + -2b

Reorder the terms:
-14 + -5b + b2 = 14 + -14 + 2b + -2b

Combine like terms: 14 + -14 = 0
-14 + -5b + b2 = 0 + 2b + -2b
-14 + -5b + b2 = 2b + -2b

Combine like terms: 2b + -2b = 0
-14 + -5b + b2 = 0

Factor a trinomial.
(-2 + -1b)(7 + -1b) = 0

Subproblem 1

Set the factor '(-2 + -1b)' equal to zero and attempt to solve: Simplifying -2 + -1b = 0 Solving -2 + -1b = 0 Move all terms containing b to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + -1b = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -1b = 0 + 2 -1b = 0 + 2 Combine like terms: 0 + 2 = 2 -1b = 2 Divide each side by '-1'. b = -2 Simplifying b = -2

Subproblem 2

Set the factor '(7 + -1b)' equal to zero and attempt to solve: Simplifying 7 + -1b = 0 Solving 7 + -1b = 0 Move all terms containing b to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -1b = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -1b = 0 + -7 -1b = 0 + -7 Combine like terms: 0 + -7 = -7 -1b = -7 Divide each side by '-1'. b = 7 Simplifying b = 7

Solution

b = {-2, 7}

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