E is the answer I am pretty sure.
First option is correct.
Hope it helped!!!!!!
D. The exclusion is important because we cannot divide by zero. Apart from that we are simply looking at a function.
Answer:
Step-by-step explanation:
area of rectangle=length×width
=(x²+6x+3)×(3x²+4x-2)
=3x^4+(4+18)x³+(-2+24+9)x²+(-12+12)x-6
=3x^4+22x³+31x²-6