(2x – 7)(2x + 7) + (4x2 – 49) (2x + 7)(2x + 7) + 4x2 + 28x + 49
#10: Show the work that proves that Edgar's answers are correct. Upload a
picture of your work.
49A567C1-D84BX
#1b: Why does the standard form of the first expression only have two terms
while the standard form for the second expression has three terms? Be specific
for credit.
Your answer