Hi, I have I also know that z = -2-2i is one root, and since this is an equation with real coefficients another root is -2+2i. So i need to find the third root Is there an easier way of solving this, other than polynomial division?
Follow Math Help Forum on Facebook and Google+
Originally Posted by Jones I have I also know that z = -2-2i is one root, and since this is an equation with real coefficients another root is -2+2i. So i need to find the third root Look at this.
So just expand the brackets and replace z with a+bi ?
View Tag Cloud