Question
Simplify the expression
−138+1312i
Evaluate
3−2i4i
Multiply by the Conjugate
(3−2i)(3+2i)4i(3+2i)
Calculate
More Steps

Evaluate
4i(3+2i)
Apply the distributive property
4i×3+4i×2i
Multiply the numbers
12i+4i×2i
Multiply the numbers
More Steps

Evaluate
4i×2i
Multiply
4×2i2
Multiply
8i2
Use i2=−1 to transform the expression
8(−1)
Calculate
−8
12i−8
Reorder the terms
−8+12i
(3−2i)(3+2i)−8+12i
Calculate
More Steps

Evaluate
(3−2i)(3+2i)
Use (a−b)(a+b)=a2−b2 to simplify the product
32−(2i)2
Evaluate the power
9−(2i)2
Evaluate the power
More Steps

Evaluate
(2i)2
Evaluate
22i2
Evaluate the power
4i2
Evaluate the power
−4
9−(−4)
Calculate
13
13−8+12i
Use b−a=−ba=−ba to rewrite the fraction
−138−12i
Solution
−138+1312i
Show Solution
