Question

Pls check the photo and ans. it ​

Answer 1

Answer:

x³-2x²-7x+5

-2x²-7x+x³+5

-9x³+x³+5

-9+

4

hope it helps you

mark brainliest

Answer 2

Step-by-step explanation:

x2 =(2+√3)2

=2 2+(√3)2+4√3=7+4√3

And

x3=(2+√3)3

=2 3 +(√3)2 +3×2×√3(2+√3)

=8+3√3+6√(2+√3)=8+3√3+12√3+18=26+15√13

I hope it will help you and plz marke as brilliant