(-2i)(-7i)(-1-6i)=

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Solution for (-2i)(-7i)(-1-6i)= equation:


Simplifying
(-2i)(-7i)(-1 + -6i) = 0

Remove parenthesis around (-2i)
-2i(-7i)(-1 + -6i) = 0

Remove parenthesis around (-7i)
-2i * -7i(-1 + -6i) = 0

Reorder the terms for easier multiplication:
-2 * -7i * i(-1 + -6i) = 0

Multiply -2 * -7
14i * i(-1 + -6i) = 0

Multiply i * i
14i2(-1 + -6i) = 0
(-1 * 14i2 + -6i * 14i2) = 0
(-14i2 + -84i3) = 0

Solving
-14i2 + -84i3 = 0

Solving for variable 'i'.

Factor out the Greatest Common Factor (GCF), '-14i2'.
-14i2(1 + 6i) = 0

Ignore the factor -14.

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 '(1 + 6i)' equal to zero and attempt to solve: Simplifying 1 + 6i = 0 Solving 1 + 6i = 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 + 6i = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 6i = 0 + -1 6i = 0 + -1 Combine like terms: 0 + -1 = -1 6i = -1 Divide each side by '6'. i = -0.1666666667 Simplifying i = -0.1666666667

Solution

i = {0, -0.1666666667}

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