Question

Which is the set of roots of the equation? 0 = x2 + 10x - 24

Answer 1

x2+12x-2x-24=0
x(x+12)-2(x+12)=0
(x-2)(x+12)=0
x-2=0
x=2
and
x+12=0
x=-12

Answer 2

x2+12x-2x-24=0
x(x+12)-2(x+12)=0
(x-2)(x+12)=0
(x-2)=0 or (x+12)=0
x=2 or x=-12