(7i)(3i)(-8-6i)=0

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Solution for (7i)(3i)(-8-6i)=0 equation:


Simplifying
(7i)(3i)(-8 + -6i) = 0

Remove parenthesis around (7i)
7i(3i)(-8 + -6i) = 0

Remove parenthesis around (3i)
7i * 3i(-8 + -6i) = 0

Reorder the terms for easier multiplication:
7 * 3i * i(-8 + -6i) = 0

Multiply 7 * 3
21i * i(-8 + -6i) = 0

Multiply i * i
21i2(-8 + -6i) = 0
(-8 * 21i2 + -6i * 21i2) = 0
(-168i2 + -126i3) = 0

Solving
-168i2 + -126i3 = 0

Solving for variable 'i'.

Factor out the Greatest Common Factor (GCF), '-42i2'.
-42i2(4 + 3i) = 0

Ignore the factor -42.

Subproblem 1

Set the factor 'i2' equal to zero and attempt to solve: Simplifying i2 = 0 Solving i2 = 0 Move all terms containing i to the left, all other terms to the right. Simplifying i2 = 0 Take the square root of each side: i = {0}

Subproblem 2

Set the factor '(4 + 3i)' equal to zero and attempt to solve: Simplifying 4 + 3i = 0 Solving 4 + 3i = 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 + 3i = 0 + -4 Combine like terms: 4 + -4 = 0 0 + 3i = 0 + -4 3i = 0 + -4 Combine like terms: 0 + -4 = -4 3i = -4 Divide each side by '3'. i = -1.333333333 Simplifying i = -1.333333333

Solution

i = {0, -1.333333333}

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