(3b-2)(b+4)=

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Solution for (3b-2)(b+4)= equation:


Simplifying
(3b + -2)(b + 4) = 0

Reorder the terms:
(-2 + 3b)(b + 4) = 0

Reorder the terms:
(-2 + 3b)(4 + b) = 0

Multiply (-2 + 3b) * (4 + b)
(-2(4 + b) + 3b * (4 + b)) = 0
((4 * -2 + b * -2) + 3b * (4 + b)) = 0
((-8 + -2b) + 3b * (4 + b)) = 0
(-8 + -2b + (4 * 3b + b * 3b)) = 0
(-8 + -2b + (12b + 3b2)) = 0

Combine like terms: -2b + 12b = 10b
(-8 + 10b + 3b2) = 0

Solving
-8 + 10b + 3b2 = 0

Solving for variable 'b'.

Factor a trinomial.
(-4 + -1b)(2 + -3b) = 0

Subproblem 1

Set the factor '(-4 + -1b)' equal to zero and attempt to solve: Simplifying -4 + -1b = 0 Solving -4 + -1b = 0 Move all terms containing b to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + -1b = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -1b = 0 + 4 -1b = 0 + 4 Combine like terms: 0 + 4 = 4 -1b = 4 Divide each side by '-1'. b = -4 Simplifying b = -4

Subproblem 2

Set the factor '(2 + -3b)' equal to zero and attempt to solve: Simplifying 2 + -3b = 0 Solving 2 + -3b = 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 + -3b = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -3b = 0 + -2 -3b = 0 + -2 Combine like terms: 0 + -2 = -2 -3b = -2 Divide each side by '-3'. b = 0.6666666667 Simplifying b = 0.6666666667

Solution

b = {-4, 0.6666666667}

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