Answer:
= -34 + 13i
Step-by-step explanation:
Given that:
= (4-3i)(-7 -2i)
By simplifying
= 4(-7 - 2i) - 3i(-7 - 2i)
"-" sign befor bracket will alter the inner signs
= -28 - 8i + 21i + 6i^2
As i^2 = -1
= -28 + 13i + 6(-1)
= -28 + 13i -6
i hope it will help you!
Answer: -9i
1) subtract 4 - 3i which equals 1i
2) subtract -7 -2i which equals -9i
3) multiply 1 x -9 which equals -9i
