Question

!!1!!!!!!1!!!!!!111!

Answer 1

1-(2(а+2)-2(а-2)/(а-2)(а+2)) *(4а -3а+2/4)=а/2

Answer 2

$frac{1-2(a+2)-2(a-2)}{(a-2)(a+2)} *(4a -3a+ frac{2}{4} )= frac{a}{2}$