6b^2+25b+9=-16

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Solution for 6b^2+25b+9=-16 equation:


Simplifying
6b2 + 25b + 9 = -16

Reorder the terms:
9 + 25b + 6b2 = -16

Solving
9 + 25b + 6b2 = -16

Solving for variable 'b'.

Reorder the terms:
9 + 16 + 25b + 6b2 = -16 + 16

Combine like terms: 9 + 16 = 25
25 + 25b + 6b2 = -16 + 16

Combine like terms: -16 + 16 = 0
25 + 25b + 6b2 = 0

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

Subproblem 1

Set the factor '(5 + 2b)' equal to zero and attempt to solve: Simplifying 5 + 2b = 0 Solving 5 + 2b = 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 + 2b = 0 + -5 Combine like terms: 5 + -5 = 0 0 + 2b = 0 + -5 2b = 0 + -5 Combine like terms: 0 + -5 = -5 2b = -5 Divide each side by '2'. b = -2.5 Simplifying b = -2.5

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 = {-2.5, -1.666666667}

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