Step-by-step explanation:

The first one is.
3 x 3A is oA
3 x 4 is +12
9a +12
Answer:
(199+0.32)minus 350
Step-by-step explanation:
199 is the cost plus fee per mile 0.32 subtract 350 to see if he can afford it
Answer:
a
Step-by-step explanation:
if u have no paytience then just take a guess for future reference
Answer:
6x
2
−3−7x
=6x
2
−7x−3
=6x
2
−9x+2x−3
=3x(2x−3)+1(2x−3)
=(2x−3)(3x+1).
Then, f(x)=0⟹2x−3=0 and 3x+1=0.
Therefore, 2x=3 and 3x−−1.
That is, x=
2
3
, x=
3
−1
.