Question

write the set in the set roster form A ={x:x is a solution of x²-x-6=0²}​

Answer 1

Answer:

x² -x-6 =0

so, x²-3x+2x-6 = 0

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

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

x=3,-2

so, A= {3, -2} is in roster form.