Question

Скоротіть дріб.
$frac{3a- a^{2} }{2a-6}$

Answer 1

a(3-a) / 2(a-3) = -a(a-3) / 2(a-3) = -a/2

Answer 2

( 3a - a² ) / ( 2a - 6 ) = ( a( 3 - a )) / ( 2( a - 3 )) = ( - a ) / 2 = - 0,5a