Answer:
a. [tex]x+7[/tex], [tex]x^2-49[/tex]
b. [tex]x-8[/tex], [tex]x^2-64[/tex]
c. [tex]4x-1[/tex], [tex]16x^2-1[/tex]
d. [tex]5x+3[/tex], [tex]25x^2-9[/tex]
e. [tex]y+4[/tex], [tex]y^2-16[/tex]
Explanation:
To find the sum and difference of two binomials, you will need two binomials of the same terms but with the opposite signs,
For reference:
[tex](a+b)(a-b)\\=a^2-ab+ab+b^2\\=a^2+b^2[/tex]
