Question

Solve the quadratic equation by completing the square.
x^2-18x+67=0

Answer 1

\[x^2-18x=-67 \\ x^2-18x+? =-67 +?\]
we need to add something on both sides such that we can write the left hand side as something square

Answer 2

\[x^2+kx+(\frac{k}{2})^2=(x+\frac{k}{2})^2\]

Answer 3

notice the number in front of x in your equation

Answer 4

that is your k

Answer 5

Can I show you what I have so far?

Answer 6

yes totally