Question

what is the answer in x squared - 2x - 3 in using polynomial

Answer 1

\[x^2 - 2x - 3 = 0 ?\]

Answer 2

\[x^2 - 3x + x - 3=0\]
\[x(x-3) + (x-3)=0\]
\[(x+1)(x-3)= 0\]
x=-1, x=3

Answer 3

katrose : ( x-1 ) x+3 )