Question

simplify x^2-4x-21/x^27x+12

Answer 1

@severalgoats Is this denominator written correctly:

x^27x+12

Maybe it is x^2 + 7x + 12 or maybe x*2 - 7x + 12 ? Or, something else.

Answer 2

@Directrix yeah sorry the question looks like \[x^2-4x-21 \over x^2+7x+12\]

Answer 3

We need o factor the numerator and the denominator as a beginning step.