Please go step by on how to do these

The answer are

1) 2X{ (x^2-1)ln(x^2-1)+X^2

X^2-1

2) 24x^2(2-x^2)

(8-3^2)^(1/2)

3) -6(2x^2+2x-3)(2x+1)^2

(2x^2+3)^4

Find dy/dx in simplest factored form

1) y= x^2ln(x^2-1)

2) y= 2x^3 (8-3^2)

3) y= ((2x+1)/(2x^2+3))^3