6b^2-b-15=0

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Solution for 6b^2-b-15=0 equation:


Simplifying
6b2 + -1b + -15 = 0

Reorder the terms:
-15 + -1b + 6b2 = 0

Solving
-15 + -1b + 6b2 = 0

Solving for variable 'b'.

Factor a trinomial.
(-3 + -2b)(5 + -3b) = 0

Subproblem 1

Set the factor '(-3 + -2b)' equal to zero and attempt to solve: Simplifying -3 + -2b = 0 Solving -3 + -2b = 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 + -2b = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -2b = 0 + 3 -2b = 0 + 3 Combine like terms: 0 + 3 = 3 -2b = 3 Divide each side by '-2'. b = -1.5 Simplifying b = -1.5

Subproblem 2

Set the factor '(5 + -3b)' equal to zero and attempt to solve: Simplifying 5 + -3b = 0 Solving 5 + -3b = 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 + -3b = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -3b = 0 + -5 -3b = 0 + -5 Combine like terms: 0 + -5 = -5 -3b = -5 Divide each side by '-3'. b = 1.666666667 Simplifying b = 1.666666667

Solution

b = {-1.5, 1.666666667}

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