=(2+i)(3-I)

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Solution for =(2+i)(3-I) equation:


Simplifying
0 = (2 + i)(3 + -1I)

Multiply (2 + i) * (3 + -1I)
0 = (2(3 + -1I) + i(3 + -1I))
0 = ((3 * 2 + -1I * 2) + i(3 + -1I))
0 = ((6 + -2I) + i(3 + -1I))
0 = (6 + -2I + (3 * i + -1I * i))
0 = (6 + -2I + (3i + -1iI))
0 = (6 + -2I + 3i + -1iI)

Solving
0 = 6 + -2I + 3i + -1iI

Solving for variable 'I'.

Move all terms containing I to the left, all other terms to the right.

Add '2I' to each side of the equation.
0 + 2I = 6 + -2I + 3i + 2I + -1iI
Remove the zero:
2I = 6 + -2I + 3i + 2I + -1iI

Reorder the terms:
2I = 6 + -2I + 2I + 3i + -1iI

Combine like terms: -2I + 2I = 0
2I = 6 + 0 + 3i + -1iI
2I = 6 + 3i + -1iI

Add 'iI' to each side of the equation.
2I + iI = 6 + 3i + -1iI + iI

Combine like terms: -1iI + iI = 0
2I + iI = 6 + 3i + 0
2I + iI = 6 + 3i

Reorder the terms:
-6 + 2I + -3i + iI = 6 + 3i + -6 + -3i

Reorder the terms:
-6 + 2I + -3i + iI = 6 + -6 + 3i + -3i

Combine like terms: 6 + -6 = 0
-6 + 2I + -3i + iI = 0 + 3i + -3i
-6 + 2I + -3i + iI = 3i + -3i

Combine like terms: 3i + -3i = 0
-6 + 2I + -3i + iI = 0

The solution to this equation could not be determined.

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