Question

which of the following correctly completes the square for the equation below?

x^2+2x=19

A. (x+2)^2=19
B. (x+2)^2=20
C. (x+1)^2=23
D. (x+2)^2=23

Please help!

Answer 1

I think a or d, but I'm not totally Shure

Answer 2

how would i work the problem out?

Answer 3

think in your head
what looks right to you?

Answer 4

try to rewrite it in a different order

Answer 5

its C

Answer 6

oh

Answer 7

i had to do the FOIL method