How do you solve by completing the square for #2x^2+10x-4=0#?
Take 2 out of the equation:
Complete the square in the brackets:
Simplify the equation:
First divide by
By this process you have written the left side as a 'perfect square'
This step is the 'completing the square '- add in the missing term to create a square.
Write the left side as the square of a binomial.
Find the two possible solutions: