Question

1)x/x+1 - 3/x+4


2) x^2 - 16/ x^2+4x+3 / x-4/x+1

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for the 1st one i got x^2-3x+1/ x^2+4
undefined at x=4 and x=-4

is that right ??

Answer 1

1)( x^2+x-3)/(x+1)(x+4)

Answer 2

undefined for x = -1 and x = -4

Answer 3

thanx alot

could u do the second one pleeeeeeeeeease