Question

Сократить дробь x^3-2x^2+x+4/x+1

Answer 1

X³+x²-3x²-3x+4x+4/x+1=x²*(x+1)-3x*(x+1)+4(x+1)/x+1=(x+1)(x²-3x+4)/x+1=x²-3x+4

Answer 2

$\frac{x^{3}-2x^{2}+x+4}{x+1}= \frac{(x^{2}-3x+4)(x+1)} {x+1}= x^{2}-3x+4$