2i(4i-7i)-3i(2+4i)=0

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Solution for 2i(4i-7i)-3i(2+4i)=0 equation:


Simplifying
2i(4i + -7i) + -3i(2 + 4i) = 0

Combine like terms: 4i + -7i = -3i
2i(-3i) + -3i(2 + 4i) = 0

Remove parenthesis around (-3i)
2i * -3i + -3i(2 + 4i) = 0

Reorder the terms for easier multiplication:
2 * -3i * i + -3i(2 + 4i) = 0

Multiply 2 * -3
-6i * i + -3i(2 + 4i) = 0

Multiply i * i
-6i2 + -3i(2 + 4i) = 0
-6i2 + (2 * -3i + 4i * -3i) = 0
-6i2 + (-6i + -12i2) = 0

Reorder the terms:
-6i + -6i2 + -12i2 = 0

Combine like terms: -6i2 + -12i2 = -18i2
-6i + -18i2 = 0

Solving
-6i + -18i2 = 0

Solving for variable 'i'.

Factor out the Greatest Common Factor (GCF), '-6i'.
-6i(1 + 3i) = 0

Ignore the factor -6.

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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