Question

give exact and approximate solutions to the tird decimal places
x^2+16x+64=9
x=?

Answer 1

x=-11,-5?

Answer 2

x^2 + 16x + 55 = 0
you can factor this

(x+ 11)(x+5) = 0

x = -11, -5

yup, you're right :)

Answer 3

ty :)