2b^2+7b=-6

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Solution for 2b^2+7b=-6 equation:


Simplifying
2b2 + 7b = -6

Reorder the terms:
7b + 2b2 = -6

Solving
7b + 2b2 = -6

Solving for variable 'b'.

Reorder the terms:
6 + 7b + 2b2 = -6 + 6

Combine like terms: -6 + 6 = 0
6 + 7b + 2b2 = 0

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

Subproblem 1

Set the factor '(2 + b)' equal to zero and attempt to solve: Simplifying 2 + b = 0 Solving 2 + b = 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 + b = 0 + -2 Combine like terms: 2 + -2 = 0 0 + b = 0 + -2 b = 0 + -2 Combine like terms: 0 + -2 = -2 b = -2 Simplifying b = -2

Subproblem 2

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

Solution

b = {-2, -1.5}

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