Question

If alpha and beta are zeros ofx²-2x-3, then the value of (alpha+beta) is

Answer 1

Step-by-step explanation:

x²-2x-3

x²+x-3x-3

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

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

x+1=0 and x-3=3

x=-1 x=3