2b^2=-20+14b

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Solution for 2b^2=-20+14b equation:


Simplifying
2b2 = -20 + 14b

Solving
2b2 = -20 + 14b

Solving for variable 'b'.

Reorder the terms:
20 + -14b + 2b2 = -20 + 14b + 20 + -14b

Reorder the terms:
20 + -14b + 2b2 = -20 + 20 + 14b + -14b

Combine like terms: -20 + 20 = 0
20 + -14b + 2b2 = 0 + 14b + -14b
20 + -14b + 2b2 = 14b + -14b

Combine like terms: 14b + -14b = 0
20 + -14b + 2b2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(10 + -7b + b2) = 0

Factor a trinomial.
2((2 + -1b)(5 + -1b)) = 0

Ignore the factor 2.

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 '(5 + -1b)' equal to zero and attempt to solve: Simplifying 5 + -1b = 0 Solving 5 + -1b = 0 Move all terms containing b to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -1b = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1b = 0 + -5 -1b = 0 + -5 Combine like terms: 0 + -5 = -5 -1b = -5 Divide each side by '-1'. b = 5 Simplifying b = 5

Solution

b = {2, 5}

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