Answer:
change f(x) to 0 than 7*2x=14x
0=14x-28x+21
0=-14x+21
-21=-14x
x=3/2
Answer:
not really
Step-by-step explanation:
i know 4 + 4 is 8 tho
Answer:
(x+7)(x-7)
Step-by-step explanation:
x²-49
=x²-7²
=(x+7)(x-7)
Answer:
My first thought is it's saying "try to understand" but also understand is two words put together so if it's divided by 2 it's stand under? not sure, sorry