(5b+6)(3b-4)=

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Solution for (5b+6)(3b-4)= equation:


Simplifying
(5b + 6)(3b + -4) = 0

Reorder the terms:
(6 + 5b)(3b + -4) = 0

Reorder the terms:
(6 + 5b)(-4 + 3b) = 0

Multiply (6 + 5b) * (-4 + 3b)
(6(-4 + 3b) + 5b * (-4 + 3b)) = 0
((-4 * 6 + 3b * 6) + 5b * (-4 + 3b)) = 0
((-24 + 18b) + 5b * (-4 + 3b)) = 0
(-24 + 18b + (-4 * 5b + 3b * 5b)) = 0
(-24 + 18b + (-20b + 15b2)) = 0

Combine like terms: 18b + -20b = -2b
(-24 + -2b + 15b2) = 0

Solving
-24 + -2b + 15b2 = 0

Solving for variable 'b'.

Factor a trinomial.
(-6 + -5b)(4 + -3b) = 0

Subproblem 1

Set the factor '(-6 + -5b)' equal to zero and attempt to solve: Simplifying -6 + -5b = 0 Solving -6 + -5b = 0 Move all terms containing b to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + -5b = 0 + 6 Combine like terms: -6 + 6 = 0 0 + -5b = 0 + 6 -5b = 0 + 6 Combine like terms: 0 + 6 = 6 -5b = 6 Divide each side by '-5'. b = -1.2 Simplifying b = -1.2

Subproblem 2

Set the factor '(4 + -3b)' equal to zero and attempt to solve: Simplifying 4 + -3b = 0 Solving 4 + -3b = 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 + -3b = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -3b = 0 + -4 -3b = 0 + -4 Combine like terms: 0 + -4 = -4 -3b = -4 Divide each side by '-3'. b = 1.333333333 Simplifying b = 1.333333333

Solution

b = {-1.2, 1.333333333}

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