(x+1)(x눀-2x+3)

2025-04-28 16:53:43
推荐回答(1个)
回答1:

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