Find the zeros of the polynomial x2 + 2x – 195.
We have,
p (x) = x2 + 2x – 195
Let us assume p (x) = 0
x2 + (15 – 13) x – 195 = 0
x2 + 15x – 13x – 195 = 0
x (x + 15) – 13 (x + 15) = 0
(x + 15) (x – 13) = 0
x = - 15, 13
Hence, the zeros of the polynomial are -15 and 13