-2i(5-7i)=

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Solution for -2i(5-7i)= equation:


Simplifying
-2i(5 + -7i) = 0
(5 * -2i + -7i * -2i) = 0
(-10i + 14i2) = 0

Solving
-10i + 14i2 = 0

Solving for variable 'i'.

Factor out the Greatest Common Factor (GCF), '2i'.
2i(-5 + 7i) = 0

Ignore the factor 2.

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 '(-5 + 7i)' equal to zero and attempt to solve: Simplifying -5 + 7i = 0 Solving -5 + 7i = 0 Move all terms containing i to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + 7i = 0 + 5 Combine like terms: -5 + 5 = 0 0 + 7i = 0 + 5 7i = 0 + 5 Combine like terms: 0 + 5 = 5 7i = 5 Divide each side by '7'. i = 0.7142857143 Simplifying i = 0.7142857143

Solution

i = {0, 0.7142857143}

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