(-4-3i)*(6-7i)=

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Solution for (-4-3i)*(6-7i)= equation:


Simplifying
(-4 + -3i)(6 + -7i) = 0

Multiply (-4 + -3i) * (6 + -7i)
(-4(6 + -7i) + -3i * (6 + -7i)) = 0
((6 * -4 + -7i * -4) + -3i * (6 + -7i)) = 0
((-24 + 28i) + -3i * (6 + -7i)) = 0
(-24 + 28i + (6 * -3i + -7i * -3i)) = 0
(-24 + 28i + (-18i + 21i2)) = 0

Combine like terms: 28i + -18i = 10i
(-24 + 10i + 21i2) = 0

Solving
-24 + 10i + 21i2 = 0

Solving for variable 'i'.

Factor a trinomial.
(-4 + -3i)(6 + -7i) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(6 + -7i)' equal to zero and attempt to solve: Simplifying 6 + -7i = 0 Solving 6 + -7i = 0 Move all terms containing i to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + -7i = 0 + -6 Combine like terms: 6 + -6 = 0 0 + -7i = 0 + -6 -7i = 0 + -6 Combine like terms: 0 + -6 = -6 -7i = -6 Divide each side by '-7'. i = 0.8571428571 Simplifying i = 0.8571428571

Solution

i = {-1.333333333, 0.8571428571}

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