How to write an equivalent expression for n time a using o
(3x+1)+(2x+4)=90
3x+1+2x+4=90
5x+5=90
5x=85
x=17
Answer:
The answer is option C, that is, (2,6)
Answer:
(x+7) is not a factor
Step-by-step explanation:
we know that
If (x+7) is a factor of f(x)
then
For 
Verify
we have

Substitute x=-7




therefore
(x+7) is not a factor