9b(2b+5)+4b(6b+6)=

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Solution for 9b(2b+5)+4b(6b+6)= equation:


Simplifying
9b(2b + 5) + 4b(6b + 6) = 0

Reorder the terms:
9b(5 + 2b) + 4b(6b + 6) = 0
(5 * 9b + 2b * 9b) + 4b(6b + 6) = 0
(45b + 18b2) + 4b(6b + 6) = 0

Reorder the terms:
45b + 18b2 + 4b(6 + 6b) = 0
45b + 18b2 + (6 * 4b + 6b * 4b) = 0
45b + 18b2 + (24b + 24b2) = 0

Reorder the terms:
45b + 24b + 18b2 + 24b2 = 0

Combine like terms: 45b + 24b = 69b
69b + 18b2 + 24b2 = 0

Combine like terms: 18b2 + 24b2 = 42b2
69b + 42b2 = 0

Solving
69b + 42b2 = 0

Solving for variable 'b'.

Factor out the Greatest Common Factor (GCF), '3b'.
3b(23 + 14b) = 0

Ignore the factor 3.

Subproblem 1

Set the factor 'b' equal to zero and attempt to solve: Simplifying b = 0 Solving b = 0 Move all terms containing b to the left, all other terms to the right. Simplifying b = 0

Subproblem 2

Set the factor '(23 + 14b)' equal to zero and attempt to solve: Simplifying 23 + 14b = 0 Solving 23 + 14b = 0 Move all terms containing b to the left, all other terms to the right. Add '-23' to each side of the equation. 23 + -23 + 14b = 0 + -23 Combine like terms: 23 + -23 = 0 0 + 14b = 0 + -23 14b = 0 + -23 Combine like terms: 0 + -23 = -23 14b = -23 Divide each side by '14'. b = -1.642857143 Simplifying b = -1.642857143

Solution

b = {0, -1.642857143}

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