3b^2-30b=6b-60

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Solution for 3b^2-30b=6b-60 equation:


Simplifying
3b2 + -30b = 6b + -60

Reorder the terms:
-30b + 3b2 = 6b + -60

Reorder the terms:
-30b + 3b2 = -60 + 6b

Solving
-30b + 3b2 = -60 + 6b

Solving for variable 'b'.

Reorder the terms:
60 + -30b + -6b + 3b2 = -60 + 6b + 60 + -6b

Combine like terms: -30b + -6b = -36b
60 + -36b + 3b2 = -60 + 6b + 60 + -6b

Reorder the terms:
60 + -36b + 3b2 = -60 + 60 + 6b + -6b

Combine like terms: -60 + 60 = 0
60 + -36b + 3b2 = 0 + 6b + -6b
60 + -36b + 3b2 = 6b + -6b

Combine like terms: 6b + -6b = 0
60 + -36b + 3b2 = 0

Factor out the Greatest Common Factor (GCF), '3'.
3(20 + -12b + b2) = 0

Factor a trinomial.
3((2 + -1b)(10 + -1b)) = 0

Ignore the factor 3.

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 '(10 + -1b)' equal to zero and attempt to solve: Simplifying 10 + -1b = 0 Solving 10 + -1b = 0 Move all terms containing b to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + -10 + -1b = 0 + -10 Combine like terms: 10 + -10 = 0 0 + -1b = 0 + -10 -1b = 0 + -10 Combine like terms: 0 + -10 = -10 -1b = -10 Divide each side by '-1'. b = 10 Simplifying b = 10

Solution

b = {2, 10}

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