Question

perfect square x^2+18x=?

Answer 1

x(x+18)
x=0
x+18=0 -> x=-18

Answer 2

for ax^2 + bx Perfect square means you'll need to divide the b by 2, then square it and add it on the end...

x^2+18x
b would be 18, so divide it by 2, square it, then add it on the end

Answer 3

x^2 + 18x + (18/2)^2

Answer 4

thanks