Algebra
Calculus
Trigonometry
Matrix
Question
(5i3)(5i−3)
Simplify the expression
25+15i
Evaluate
(5i3)(5i−3)
Remove the parentheses
5i3(5i−3)
Evaluate the power
More Steps
Evaluate
i3
Calculate
i2×i
Calculate
−i
5(−i)(5i−3)
Multiply the first two terms
−5i(5i−3)
Apply the distributive property
−5i×5i−5i(−3)
Multiply the numbers
More Steps
Evaluate
−5i×5i
Multiply
−5×5i2
Multiply
−25i2
Use i2=−1 to transform the expression
−25(−1)
Calculate
25
25−5i(−3)
Solution
25+15i
Show Solution
