a, (x-3) .(2x+5)
b, (x-1)∧2+x.(2-x)
c, (x+1)∧3-(x-1) (x∧2+x+1)
d, (x+3)∧2+2.(x+3).(x-3)+(x-3)∧2
e, (x+1)∧3+(x-1) (x∧2+x+1)
f, (x-2).( x∧2+2x+4)-x(x∧2-1)
Gíup mk nhanh vs ạ
Loga
Sinh Học lớp 12
