91Ó°ÊÓ

Find the LCD of$\frac{3}{5m^2-3m-2},\frac{6m}{5m^2+17m+6}$.

Write as equivalent rational expression with LCD$(x-4)(x+2)(x+3)$ of$\frac{5}{x^2-2x-8},\frac{2x}{x^2-x-12}$.

Write as equivalent rational expression with LCD$(y+7)(y+5)(y-6)$of$\frac{8}{y^2+12y+35},\frac{3y}{y^2+y-42}$.

Write as equivalent rational expression with LCD$(z-2)(z+4)(z+2)$of$\frac{9}{z^2+2z-8},\frac{4z}{z^2-4}$.

In the following exercises, simplify.

$-\frac{44}{55}$

Write as equivalent rational expression with LCD $(a+9)(a+5)(a-9)$of $\frac{6}{a^2+14a+45},\frac{5a}{a^2-81}$.

Write as equivalent rational expression with LCD$(b+3)(b+3)(b-5)$of$\frac{4}{b^2+6b+9},\frac{2b}{b^2-2b-15}$.

Write as equivalent rational expression with LCD$(c-2)(c-2)(c-8)$of$\frac{5}{c^2-4c+4},\frac{3c}{c^2-10c+16}$.

Write as equivalent rational expression with LCD$(d+5)(3d-1)(d-6)$of$\frac{2}{3d^2+14d-5},\frac{5d}{3d^2-19d+6}$.

Write as equivalent rational expression with LCD $(5m+2)(m-1)(m+3)$of $\frac{3}{5m^2-3m-2},\frac{6m}{5m^2+17m+6}$.