7. Find the product. Write the answer in standard form. a. (-4+2i)² b. (4+7i)(-2-5i) c. (6+8i) (6-8i) d. (3+5i) ² (7-3i)

Q: 21. (12 + 5i)-(2 i) 24. (-6 5i)(1 + 3i)

A:

Q: (6+3i)(6-3i)

A: topic - multiplication of complex numbers

Q: Divide (3 - 4i)/(4 + 3i) and express the result in standard form.

A: Multiply by the conjugate of the denominator

Q: Add or subtract as indicated and write the result in standard form: 15i - (12 - 11i)

A:

Q: Multiply. (8-61)(7-81)

A: The given expression is- 8-6i7-8i Open the brackets as follows-…

Q: Find the product and write the result in standard form (-7- 9i)(3+ i)

A: Given query is to find the the product of the complex numbers.

Q: Multiply. Write the answer in standard form. (8 – 9i) (–9+9i) =|

A:

Q: Perform the operation and write the result in s (6+4i)(6-4i)

A:

Q: Divide and express the result in standard form: (7 + 4i) / (2 - 5i).

A: 7+4i2-5i

Q: (3-5i)-(7-8i)

A:

Q: (-1+i)-(-7+4i)-5

A: Simplify the expression (–1+i) – (–7+ 4i) – 5 as follows.(–1+ i) – (–7+ 4i) – 5 = –1+ i +7– 4 i – 5…

Q: Perform the indicated operation(s) and write the result in standard form. (2 - 3i)(1 - i) - (3 -…

A: Given 2-3i1-i-3-i3+i

Q: What is the difference of (-3+2i) and (6+3i)?

A:

Q: Rewrite the expressions in terms of i: a) -v(-5) b)(-V(-24))v6

A: SInce multiple questions are asked, I am answering the first question with both subparts.

Q: Add or subtract as indicated and write the result in standard form: 8i - (14 - 9i)

A: The given expression is 8i-14-9i. Simplify as follows.