Given the polynomial P(x)=x2−4
We need to factor P(x) as follows:
P(x)=x2−4=(x+2)(x−2)
Hence, P(x)=(x+2)(x−2)
If (x – p) and (x – q) are the factors of the polynomial P(x) = x2 + ax + b =0, then P(x) can be written as: