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

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


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

Multiply (7 + -6i) * (1 + i)
(7(1 + i) + -6i * (1 + i)) = 0
((1 * 7 + i * 7) + -6i * (1 + i)) = 0
((7 + 7i) + -6i * (1 + i)) = 0
(7 + 7i + (1 * -6i + i * -6i)) = 0
(7 + 7i + (-6i + -6i2)) = 0

Combine like terms: 7i + -6i = 1i
(7 + 1i + -6i2) = 0

Solving
7 + 1i + -6i2 = 0

Solving for variable 'i'.

Factor a trinomial.
(7 + -6i)(1 + i) = 0

Subproblem 1

Set the factor '(7 + -6i)' equal to zero and attempt to solve: Simplifying 7 + -6i = 0 Solving 7 + -6i = 0 Move all terms containing i to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -6i = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -6i = 0 + -7 -6i = 0 + -7 Combine like terms: 0 + -7 = -7 -6i = -7 Divide each side by '-6'. i = 1.166666667 Simplifying i = 1.166666667

Subproblem 2

Set the factor '(1 + i)' equal to zero and attempt to solve: Simplifying 1 + i = 0 Solving 1 + i = 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 + i = 0 + -1 Combine like terms: 1 + -1 = 0 0 + i = 0 + -1 i = 0 + -1 Combine like terms: 0 + -1 = -1 i = -1 Simplifying i = -1

Solution

i = {1.166666667, -1}

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