Answer:
5+(3x+6)/5+x for x=-3
5+(3(-3)+6)/(5+(-3)) = -15/2
Step-by-step explanation:
You would have to replace the given number (x) in the equation and just do the math .
Here are the answers you were looking for:
A) Yes
B) No
C) No
You need to make use of the distributive property, along with ...
Then
3x²–243=0 —> 3 (x²–81) = 0 —>
x²–81=0 —> (x-9)(x+9)=0
x-9=0 —> x=9
x+9=0 —> x=–9
I hope I helped you^_^