Question

find the H.C.F of 21x(x2-1) and 3x^3 (x + 1)​

Answer 1

Step-by-step explanation:

3×7×x(x+1)(x-1)

H.C.F=3x(x+1). [because[x^2-1]=(x-1)(x+1)

Answer 2

Answer:

refer the attachment.......

hope it helps you