How do you solve using the completing the square method #x^2+7x-8=0#?
1 Answer
Mar 18, 2016
there are two roots and I have provided a video solution showing you how to complete the square by adding the square of 1/2 of the 'b' coefficient to both sides of the equation. This will allow you to come up with a trinomial that is a perfect square.
video solution here
so the solutions are -8 and 1
