Question
Simplify the expression
11−7i
Evaluate
(4−i)(3−i)
Apply the distributive property
4×3+4(−i)−i×3−i(−i)
Multiply the numbers
12+4(−i)−i×3−i(−i)
Multiply the numbers
12−4i−i×3−i(−i)
Multiply the numbers
12−4i−3i−i(−i)
Multiply the numbers
More Steps

Evaluate
−i(−i)
Multiply
−(−1)i2
Multiply
i2
Use i2=−1 to transform the expression
1×(−1)
Calculate
−1
12−4i−3i−1
Calculate
11−4i−3i
Solution
More Steps

Evaluate
−4i−3i
Collect like terms by calculating the sum or difference of their coefficients
(−4−3)i
Calculate
−7i
11−7i
Show Solution
