I think it might be b. I'm super sorry if I'm wrong I tried my best :(
I might be wrong but I think the answer would be -x+2x+6 as a simplified version because if you use the equation (x+4•x+3)-3x(x+1)=a (or any letter you choose), you will get 3x+x^2+12+4x-3x-3x^2=y. Then, you can combine like terms:
4x-2x+12=a
3√1024<span>= 10.079368399159
That's your answer.
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Answer:
it has 3 terms and a degree of 5
Step-by-step explanation:
it is so eazy