Because 4x2 = 8, so 4x7=28, then you times 28 by 2 which equals 56 and 8x7=56
A binomial squared is written like

So, we have 
So, we want to complete the square 
We can add and subtract 9 to write

Answer:
jb
Step-by-step explanation:
Answer:
6/10
Step-by-step explanation:
i think sorry if incorrect