
There are two changes of sign, so there are 2 or 0 possible positive roots.

There are two changes of sign, so there are 2 or 0 possible negative roots.
There are 4,2 or 0 possible non-real roots.
Answer:
Nice what did they get?
Step-by-step explanation:
I hope this helps you
16c^2+64c+39
4c +13
4c +3
(4c+13)(4c+3)
Add 16.7m 4 times that should be the correct answer if not sorry
Answer:
x=40
Step-by-step explanation:
7(2x-5)-11=3(5x-2)-2x Distribute
14x-35-11=15x-6-2x Simplify
14x-46=13x-6 subtract 13x and add 46
x=40