Question

3) f(x)=2x-1(x + 2) + 2x + 1) (x - 2); 4) f(x) = |x-1|(x + 3) - x + 1/(x - 3).​

Answer 1

f
(
x
)
=
2
x
2
−
x
−
1
,
f
(
x
)
=
−
1