C.(f-g)(x) = 4x^3 +5x²-7x-1
Step-by-step explanation:
Given information :

Find :

Open bracket and Simplify

Answer:
0
Step-by-step explanation:
subtracting like terms
Answer:
There is something already at the positive 2 place and you are just subtracting 2 because of (-2)
I hope that helps :)
Step-by-step explanation:
plz mark B R A I N L I E S T
Answer:


Step-by-step explanation:
Since y=x+1 plug it into bottom equation as y.

Subtract 1 from both sides

Subtract 5x from both sides

Divide both sides by -4

Now x=-3 into the top equation to find y

y=-2
Answer:
Step-by-step explanation:
x=180-59-41
x=80