Question

Упростите выражение:
4а²/а²-4 ∗ а+2/2а

Answer 1

a-2)^2 - a(3a-4)=
a^2-4a+4-3a^2+4a=
4-2a^2=
4-2*(-3/2)*(-3/2)=
4+2*9/4=
4-9/2=(4*2-9)/2= (8-9)/2=-1/2