Answer:
Step-by-step explanation:
3x^2 + 3 + 3x^2 + x + 4....combine like terms
6x^2 + x + 7 <===
it will be b
108 - 84i
12( 9-7i)
Distribute
12*9 - 12*7i
A.84.5
B.76.26
C.402.5
D.390
Step-by-step explanation: idk