Using the formula then calculator to get the ans and we must never forget to write the unit in squared form.
= 8xy - x -2xy + 3x
= 6xy + 2x ..............combine like terms
answer
3. 6xy + 2x
Answer:
the answer is 120 if that 2 is multiplication
6(7)=42
42(2)=84
+28
+8
= 120
Answer:
-1
Step-by-step explanation:
x-3 is negative when x aproaches 3 from the left so the limit can be rewritten as

You need to foil it out. That's how you get the answer.
(x+4)^20
=
(x+4) x (x+4)^19
=
(x+4)^2 x (x+4)^18
etc.