Question

If alpha and beta are the zeros of x2+5x+6 find the value of alpha -1+beta-1

Answer 1

Answer:

-3

Step-by-step explanation:

x^2+3x+2x+6=0

x(x+3)+2(x+3)=0

(x+2)×(x+3)=0

x+2=0 or x+3=0

x=-2 or x=-3

alpha= -2

beta= -3

alpha-1+beta-1= -2+1-3+1

= -3