Answer:
thank you very much xoxo
wow really omg!!!!!!!!
1.13446401 Radains
1) (2i-4)-(6i+9) = 2i-4-6i-9 = -4i-13
2) (-3+8i)+(3-8i) = -3+8i+3-8i = 0+0i = 0
So do you already have the answer? Also 1/20 looks right.
Step-by-step explanation:
