Home/Algebra/Equations/Rational equation7. EquationsRational equationLevel: fundamentalIn 7. EquationsFormulaCopy LaTeXP(x)Q(x)=R(x)S(x)⇒P(x)S(x)=R(x)Q(x)\frac{P(x)}{Q(x)}=\frac{R(x)}{S(x)}\Rightarrow P(x)S(x)=R(x)Q(x)Q(x)P(x)=S(x)R(x)⇒P(x)S(x)=R(x)Q(x)Tagsalgebraequationsalgebra formuladomain restrictionDetailClears denominators while respecting domain restrictions.Found an error? Contact us.Related formulasRelatedDomain of a rational expressionR(x)=P(x)Q(x),Q(x)≠0R(x)=\frac{P(x)}{Q(x)},\quad Q(x)\ne0R(x)=Q(x)P(x),Q(x)=0Open formulaOpen in section