Algebra
Calculus
Trigonometry
Matrix
Question
Simplify the expression
−267+2635i
Evaluate
−1−5i7
Multiply by the Conjugate
(−1−5i)(−1+5i)7(−1+5i)
Calculate
More Steps
Evaluate
7(−1+5i)
Apply the distributive property
7(−1)+7×5i
Simplify
−7+7×5i
Multiply the numbers
−7+35i
(−1−5i)(−1+5i)−7+35i
Calculate
More Steps
Evaluate
(−1−5i)(−1+5i)
Use (a−b)(a+b)=a2−b2 to simplify the product
(−1)2−(5i)2
Evaluate the power
1−(5i)2
Evaluate the power
More Steps
Evaluate
(5i)2
Evaluate
52i2
Evaluate the power
25i2
Evaluate the power
−25
1−(−25)
Calculate
26
26−7+35i
Use b−a=−ba=−ba to rewrite the fraction
−267−35i
Solution
−267+2635i
Show Solution
