Question

What is the product of (x+1) and (2x^2+3x-1)?

Answer 1

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

Answer 2

$(x+1)\cdot (2x^2+3x-1)=2x^3+3x^2-x+2x^2+3x-1=\\ \\=2x^3+5x^2+2x-1$