Question

The zeros of the polynomial x`2-2x-3 are...
(a) -3,1
(b) -3,-1
(c) 3,-1
(d) 3 ,1​

Answer 1

c) 3, -1

Step-by-step explanation:

x2 - 2x -3 = 0

x2 - 3x + x - 3 = 0

x (x-3) + 1 (x-3) = 0

(x-3) (x+1) = 0

therefore, x=3, x=-1