Question
Simplify the expression
−18−24i
Evaluate
(2−4i)(3−6i)
Apply the distributive property
2×3+2(−6i)−4i×3−4i(−6i)
Multiply the numbers
6+2(−6i)−4i×3−4i(−6i)
Multiply the numbers
6−12i−4i×3−4i(−6i)
Multiply the numbers
6−12i−12i−4i(−6i)
Multiply the numbers
More Steps

Evaluate
−4i(−6i)
Multiply
−4(−6)i2
Multiply
24i2
Use i2=−1 to transform the expression
24(−1)
Calculate
−24
6−12i−12i−24
Calculate
−18−12i−12i
Solution
More Steps

Evaluate
−12i−12i
Collect like terms by calculating the sum or difference of their coefficients
(−1−1)×12i
Calculate
−2×12i
Multiply the numbers
−24i
−18−24i
Show Solution
