What's the rest?
it said I need 20characters so that's why this part is on lol
Answer:
2 + 7 x y
Step-by-step explanation:
Answer:
Can we get more information?
Step-by-step explanation:
Answer:

Step-by-step explanation:
<u>Step 1</u>:-
Given problem is [(x + 1)(x - 1)]^2
by using formula in side square bracket is

![[x^{2} -1]^{2}](https://tex.z-dn.net/?f=%5Bx%5E%7B2%7D%20-1%5D%5E%7B2%7D)
<u>Step 2</u>:- again we will use formula

[/tex]
on simplification we get

<u>Final answer:-</u>

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The graph crosses the x axis 3 times so there are 3 roots.
B