Solve Rational Inequality Do Not Cross Multiply

Rational function, R(x), is of the form P(x)/Q(x) where Q(x) is not equal to 0 and both p and q are polynomials. Reciprocal of a function may not be a rational function.
Rational function may not always have a vertical asymptote.
#rationalfunctionsTest #mhf4u_rationalfunctions #ibslmath#inequalities_algebra #anilkumar #globalmathinstitute #GCSE_inequalities #SAT_algebra #rationalfunctions_inequalities

[RaffaelloLorenzusSayde]

I recommend using the sign analysis strip 👌

[farzadkhan]

I was having doubt since so long that when to multiply and when not in inequality Thankss

[yowhattupitzbigchungus]

If you carry the negative sign to the numbers in the bracket, then why is +2 still positive when everything else got negated?

[shantahalder]

Would you please discuss everything elaborately?