Question

Solve all the problems plz​

Answer 1

Answer:

x^2-1

Step-by-step explanation:

(x+1)(x-1)          (a+b)(a-b)  formula =a^2-b^2

= x^2-1^2

=x^2-1

Answer 2

X1 ek bar plus h or ek bar minus

so X square minus one 1 square

the answer of this question is X minus 1