Calculus

[jahsen]

hello... can someone tell me how to solve this using the long method

 

1.) y=(7-2x)^3

2.) y=5x-3x^2+4x^4

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

 

where ^ denotes exponents please help anyone.

[Tim_Lou]

solve for x and y?

what are you tryin to solve?

[sanctus]

and what is the long method