-7i(4+9i)=0

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Solution for -7i(4+9i)=0 equation:


Simplifying
-7i(4 + 9i) = 0
(4 * -7i + 9i * -7i) = 0
(-28i + -63i2) = 0

Solving
-28i + -63i2 = 0

Solving for variable 'i'.

Factor out the Greatest Common Factor (GCF), '-7i'.
-7i(4 + 9i) = 0

Ignore the factor -7.

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 + 9i)' equal to zero and attempt to solve: Simplifying 4 + 9i = 0 Solving 4 + 9i = 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 + 9i = 0 + -4 Combine like terms: 4 + -4 = 0 0 + 9i = 0 + -4 9i = 0 + -4 Combine like terms: 0 + -4 = -4 9i = -4 Divide each side by '9'. i = -0.4444444444 Simplifying i = -0.4444444444

Solution

i = {0, -0.4444444444}

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