Question
Simplify the expression
−103+109i
Evaluate
3−i3i
Multiply by the Conjugate
(3−i)(3+i)3i(3+i)
Calculate
More Steps

Evaluate
3i(3+i)
Apply the distributive property
3i×3+3i×i
Multiply the numbers
9i+3i×i
Multiply the numbers
More Steps

Evaluate
3i×i
Multiply
3i2
Use i2=−1 to transform the expression
3(−1)
Calculate
−3
9i−3
Reorder the terms
−3+9i
(3−i)(3+i)−3+9i
Calculate
More Steps

Evaluate
(3−i)(3+i)
Use (a−b)(a+b)=a2−b2 to simplify the product
32−i2
Evaluate the power
9−i2
Evaluate the power
9−(−1)
Calculate
10
10−3+9i
Use b−a=−ba=−ba to rewrite the fraction
−103−9i
Solution
−103+109i
Show Solution
