18b^2+45b+8=-17

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Solution for 18b^2+45b+8=-17 equation:


Simplifying
18b2 + 45b + 8 = -17

Reorder the terms:
8 + 45b + 18b2 = -17

Solving
8 + 45b + 18b2 = -17

Solving for variable 'b'.

Reorder the terms:
8 + 17 + 45b + 18b2 = -17 + 17

Combine like terms: 8 + 17 = 25
25 + 45b + 18b2 = -17 + 17

Combine like terms: -17 + 17 = 0
25 + 45b + 18b2 = 0

Factor a trinomial.
(5 + 3b)(5 + 6b) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(5 + 6b)' equal to zero and attempt to solve: Simplifying 5 + 6b = 0 Solving 5 + 6b = 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 + 6b = 0 + -5 Combine like terms: 5 + -5 = 0 0 + 6b = 0 + -5 6b = 0 + -5 Combine like terms: 0 + -5 = -5 6b = -5 Divide each side by '6'. b = -0.8333333333 Simplifying b = -0.8333333333

Solution

b = {-1.666666667, -0.8333333333}

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