Find each sum or difference. Write each answer in standard form. 9. (10 + 8i) + (6 + 4i) = %3D 10. (9+ 5i) – (3 – 8i) = 11. (8 – 4i) + (3 – 3i) = 12. (9 – 7i) – (6 – 9i) = %3D Write each answer in standard form. Find each product. Write each answer in standard form. 13. (3- 5i)(6 + 7i) 14. (6 + 6i)(3 – 6i) = %3D 15. (7 – 7i)(10 – 5i) = %3D 16. (10 + 8i)(7 + 8i) = %3D %3D = {(19 +6)

Q: Assume Z₁ = 7 - 4i and Z₂ = 2 + 5i. Find the sum and difference of z1 and 22.

A: Given  Z1 = 7 - 4i Z2=2 + 5i

Q: Multiply. (-8+6i)(5-9i) (-8+6i)(5-9i)= (Simplify your answer. Type your answer in the form a + bi.)

A: Given that(-8+6i)(5-9i)

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

A:

Q: Magnitude of 2+5i

A: Given, 2 + 5i

Q: 2i (7 – i) =

A:

Q: Find each sum or difference. Write each an 9. (10 + 8i) + (6 + 4i) = 10. (9 + 5i) – (3 – 8i) = 11.…

A:

Q: Find the value of i20 + + 2i².

A:

Q: (5i)-(2i)-(8+4i) simplify

A: (5i)-(2i)-(8+4i) simplify

Q: Simplifica cada producto.(Simplify each product.) (7-10) 7) (4i – 3)(2i + 7) 8) 3i(2i? + 4) 9) (i –…

A: Since you have posted multiple subparts, as per our policy we will answer first three subparts.…

Q: Find the product.   ​[x−​(8+5i​)][x−​(8−5i​)]

A: Given ​[x−​(8+5i​)][x−​(8−5i​)] = [x-8-5i][x-8+5i] For multiplication we first multiply x with…

Q: (7i)(7i)(5-6i)

A:

Q: Assume Z₁ = 7 - 4i and Z₂ = 2 + 5i. Find the sum and difference of z1 and z2. Z₁ + Z₂ = Z1-Z₂ = +

A: Given that z1=7-4i and z2=2+5i