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i just need help figuring this out

factorization right?

can you help?

can you help

to add , write down the length of 1 side, put in a "+" sign, and the write the other side

side 1 is \( 3x^2 − 4x − 1 \)
side 2 is \( 4x − x^2 + 5 \)

2x^2+4

Yea

wait so part a is just 2x^2+4 ?

in other words:
perimeter - (two sides)
5x3 − 2x2 + 3x − 8 - (2x^2+4)

5x3−4x2+3x−12

So, is that part B?

your answer for B is good

i dont understand part C

so your saying it will have 2 or more terms?

do x^2 + x - (x^2+x) =0 and that will be the answer?

for part c

yea

showing that polynomials are closed under subtraction/addition

okay