Answer ↓
[tex]\boxed{x^2-1}[/tex] is the ans
Calculations ↓
First, multiply x times x :
x²
Now multiply x times (-1) :
-1x or -x
Right now we have
x²-x
Now multiply 1 times x :
x
x²-x+x
Now multiply -1 times 1 :
-1
x^2+x-x-1
the x's cancel :
x^2-1
So the simplified expression is :
[tex]\blue{\boxed{\pmb{x^2-1}}[/tex]
[tex]\small\text{hope\:helpful~}[/tex]
