(x + 1) x (x - 4). When you check it you will get your original expression.
Answer:
The coefficient is equal to 
Step-by-step explanation:
we have

we know that
The coefficient is equal to

so

Divide by 50 then divide by ten then just add that to 68 the divide by 5
I think it is 4.5 because 4*4=16 and 4.5*2=9. adding those together will make 25.