Question

phan tich da thuc x^3+3x-4 thanh nhan tu

 

Answer 1

x^3 + 3x -4 = x^3 - 1 + 3x - 3 = (x-1)(x^2-x+1) + 3(x-1) = (x-1)(x^2-x+1+3) = (x-1)(x^2-x+4)

nhớ cho mik nha

Answer 2

minh h cho 1  cai nhung o cho x^3-1 phai bang (x-1)(x^2+x+1)