Question

x^2+6x+9=64; {5,7,9}

Answer 1

i guess you want to solve this equation?

Answer 2

x^2+6x+9=64

x^2 + 6x - 55 = 0

you can factor the left side

you nee to find 2 numbers whose product is -55 and whose sum = +6

Answer 3

put x=5 and solve equation and then put x=7 and at last put x=9 solve equation for these three values ig

Answer 4

the factors will be of the form
(x + a )(x + b) where a and b are the 2 numbers