Question 1198731
Consider the equation,  4x^2-18x=3. What number must be added to both sides of the equation in order to complete the square?
<pre>Correct number to be added: {{{highlight_green(matrix(1,11, 4((1/2) * (- 18/4))^2, "=", 4((1/2) * (- 9/2))^2, "=", 4(- 9/4)^2, "=", 4(81/16), "=", cross(4)(81/4cross(16)), "=", highlight(81/4)))}}}

Accept NO OTHER answer!

As usual, anything MATHLOVER - Don't know how this name came about - says, it's advisable to do the opposite, ignore, or DUMP!!!</pre>