(9+9i)(4+i)=27+45i

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Solution for (9+9i)(4+i)=27+45i equation:


Simplifying
(9 + 9i)(4 + i) = 27 + 45i

Multiply (9 + 9i) * (4 + i)
(9(4 + i) + 9i * (4 + i)) = 27 + 45i
((4 * 9 + i * 9) + 9i * (4 + i)) = 27 + 45i
((36 + 9i) + 9i * (4 + i)) = 27 + 45i
(36 + 9i + (4 * 9i + i * 9i)) = 27 + 45i
(36 + 9i + (36i + 9i2)) = 27 + 45i

Combine like terms: 9i + 36i = 45i
(36 + 45i + 9i2) = 27 + 45i

Add '-45i' to each side of the equation.
36 + 45i + -45i + 9i2 = 27 + 45i + -45i

Combine like terms: 45i + -45i = 0
36 + 0 + 9i2 = 27 + 45i + -45i
36 + 9i2 = 27 + 45i + -45i

Combine like terms: 45i + -45i = 0
36 + 9i2 = 27 + 0
36 + 9i2 = 27

Solving
36 + 9i2 = 27

Solving for variable 'i'.

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

Add '-36' to each side of the equation.
36 + -36 + 9i2 = 27 + -36

Combine like terms: 36 + -36 = 0
0 + 9i2 = 27 + -36
9i2 = 27 + -36

Combine like terms: 27 + -36 = -9
9i2 = -9

Divide each side by '9'.
i2 = -1

Simplifying
i2 = -1

Reorder the terms:
1 + i2 = -1 + 1

Combine like terms: -1 + 1 = 0
1 + i2 = 0

The solution to this equation could not be determined.

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