x^2-4/x^2+3x+2

4x^2-y^2/y-2x

I need help with these problem

1 answer

factor the numerators:
1) factors to (x+2)(x-2), and the denominator factors to (x+2)(x+1)

2. numerator factors to (2x-y)(2x+y) which is equal to -1(y-2x)(y+2x)