Symbol
Problem
Activity $2$ The Simplest of Them $A11$ Express the given algebraic expression to its simplest form. Write your answer $o\pi$ a separate sheet of paper. $4$ $\dfrac {4x^{2}-9} {8x^{3-27}}$ $1$ $\dfrac {45a^{2}b} {30ab}$ 0 $5$ $\dfrac {2a^{2-2}} {2a^{2+4a-6}}$ $2$ $\dfrac {4a-1} {1-4a}$ $6$ $\dfrac {x^{2-3x-10}} {x^{2-7x+10}}$ $3$ $\dfrac {12a^{z}-21a} {12a^{2-28a}}$