4i(3-9i)=

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Solution for 4i(3-9i)= equation:


Simplifying
4i(3 + -9i) = 0
(3 * 4i + -9i * 4i) = 0
(12i + -36i2) = 0

Solving
12i + -36i2 = 0

Solving for variable 'i'.

Factor out the Greatest Common Factor (GCF), '12i'.
12i(1 + -3i) = 0

Ignore the factor 12.

Subproblem 1

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

Subproblem 2

Set the factor '(1 + -3i)' equal to zero and attempt to solve: Simplifying 1 + -3i = 0 Solving 1 + -3i = 0 Move all terms containing i to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -3i = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -3i = 0 + -1 -3i = 0 + -1 Combine like terms: 0 + -1 = -1 -3i = -1 Divide each side by '-3'. i = 0.3333333333 Simplifying i = 0.3333333333

Solution

i = {0, 0.3333333333}

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