Question

please solve it l give you 20 points​

Answer 1

Step-by-step explanation:

x^2(x^3+2x^2-5x+1)+7x(x^3+2x^2-5x+1)+1(x^3+2x^2-5x+1)

=x^5+2x^4-5x^3+x^2+7x^2+14x^3-35x^2+7x+x^3+2x^2-5x+1

=x^5+9x^4+10x^3-32x^2+2x+1