Question

solve the equation below by completing the square and then solving for x.

x^2+12x=0

A. (x+3/2)^2=9/2
B. (x+3)^2=9
(x+6)^2=36
(x+12)^2=144

Answer 1

your answer is d

Answer 2

How would i work it out?

Answer 3

if you have

\[x^2 + bx + ? \]

to complete the square you need to add

\[(\frac{b}{2})^2\]

to both sides of the equation...

you have a b value of 12

halve it...

then square it

Answer 4

and the answer isn't D