Question
Simplify the expression
−2925−2910i
Evaluate
5−2i−5
Multiply by the Conjugate
(5−2i)(5+2i)−5(5+2i)
Calculate
More Steps

Evaluate
−5(5+2i)
Apply the distributive property
−5×5−5×2i
Multiply the numbers
−25−5×2i
Multiply the numbers
−25−10i
(5−2i)(5+2i)−25−10i
Calculate
More Steps

Evaluate
(5−2i)(5+2i)
Use (a−b)(a+b)=a2−b2 to simplify the product
52−(2i)2
Evaluate the power
25−(2i)2
Evaluate the power
More Steps

Evaluate
(2i)2
Evaluate
22i2
Evaluate the power
4i2
Evaluate the power
−4
25−(−4)
Calculate
29
29−25−10i
Use b−a=−ba=−ba to rewrite the fraction
−2925+10i
Solution
−2925−2910i
Show Solution
