Please go step by on how to do these

Find dy/dx in simplest factored form

1) ln[(x-1)/x^2)

2) xe^x^2

3) log₂(5x^3-1)

Answers

1)(-x+2)/ [x(x-1)]

2) (1+2x^2)e^x^2

3) 4x+6+(x+3)ln(x^2+3x)

2x(x+3)