Question

Write the following in roster form { x:x is and integer x²-9=0}

Answer 1

Answer:

A={-2,-1,0,1,2,3,4,5,6}

Step-by-step explanation:

Answer 2

Answer:

x={3}

Step-by-step explanation:

x²-9=0

x²=9

x=√9

x=3