4d(d+9)=

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Solution for 4d(d+9)= equation:


Simplifying
4d(d + 9) = 0

Reorder the terms:
4d(9 + d) = 0
(9 * 4d + d * 4d) = 0
(36d + 4d2) = 0

Solving
36d + 4d2 = 0

Solving for variable 'd'.

Factor out the Greatest Common Factor (GCF), '4d'.
4d(9 + d) = 0

Ignore the factor 4.

Subproblem 1

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

Subproblem 2

Set the factor '(9 + d)' equal to zero and attempt to solve: Simplifying 9 + d = 0 Solving 9 + d = 0 Move all terms containing d to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + d = 0 + -9 Combine like terms: 9 + -9 = 0 0 + d = 0 + -9 d = 0 + -9 Combine like terms: 0 + -9 = -9 d = -9 Simplifying d = -9

Solution

d = {0, -9}

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