Question

(7a-b)(7a+b) simplify the following. solve​

Answer 1

Explanation:

heres what you you do

1. do the stuff in the parantathes (nothing)

2. break parenthates ( now it should look like this 7a-b*7a+b)

3. add the same thing together (7a's cancel each other out)

4. now your left with (-b+b now they cancel each other out)

hope this helps, have a good day!

Answer 2

49a^2-b^2

Explanation:

(7a-b)(7a+b)

7 x 7^ Combine liked terms

a + a -b + b

49a^2-b^2