-3(4i)(4-7i)=0

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Solution for -3(4i)(4-7i)=0 equation:


Simplifying
-3(4i)(4 + -7i) = 0

Remove parenthesis around (4i)
-3 * 4i(4 + -7i) = 0

Multiply -3 * 4
-12i(4 + -7i) = 0
(4 * -12i + -7i * -12i) = 0
(-48i + 84i2) = 0

Solving
-48i + 84i2 = 0

Solving for variable 'i'.

Factor out the Greatest Common Factor (GCF), '12i'.
12i(-4 + 7i) = 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 '(-4 + 7i)' equal to zero and attempt to solve: Simplifying -4 + 7i = 0 Solving -4 + 7i = 0 Move all terms containing i to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + 7i = 0 + 4 Combine like terms: -4 + 4 = 0 0 + 7i = 0 + 4 7i = 0 + 4 Combine like terms: 0 + 4 = 4 7i = 4 Divide each side by '7'. i = 0.5714285714 Simplifying i = 0.5714285714

Solution

i = {0, 0.5714285714}

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