9b(-5b-2)=-45b

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Solution for 9b(-5b-2)=-45b equation:


Simplifying
9b(-5b + -2) = -45b

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

Solving
-18b + -45b2 = -45b

Solving for variable 'b'.

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

Combine like terms: -18b + 45b = 27b
27b + -45b2 = -45b + 45b

Combine like terms: -45b + 45b = 0
27b + -45b2 = 0

Factor out the Greatest Common Factor (GCF), '9b'.
9b(3 + -5b) = 0

Ignore the factor 9.

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 '(3 + -5b)' equal to zero and attempt to solve: Simplifying 3 + -5b = 0 Solving 3 + -5b = 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 + -5b = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -5b = 0 + -3 -5b = 0 + -3 Combine like terms: 0 + -3 = -3 -5b = -3 Divide each side by '-5'. b = 0.6 Simplifying b = 0.6

Solution

b = {0, 0.6}

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