Question
Simplify the expression
−41+21i
Evaluate
4i−2−i
Multiply by the Conjugate
4i×i(−2−i)i
Calculate
More Steps

Evaluate
(−2−i)i
Apply the distributive property
−2i−i×i
Multiply the numbers
More Steps

Evaluate
−i×i
Multiply
−i2
Use i2=−1 to transform the expression
−(−1)
Calculate
1
−2i+1
Reorder the terms
1−2i
4i×i1−2i
Calculate
More Steps

Evaluate
4i×i
Multiply
4i2
Use i2=−1 to transform the expression
4(−1)
Calculate
−4
−41−2i
Use b−a=−ba=−ba to rewrite the fraction
−41−2i
Solution
−41+21i
Show Solution
