Adding, subtracting and multiplying complex numbers
Uploaded Sep 28, 20171. Make sure the equation is equal to zero.
2. Factor using the sum and product strategy.
3. Set each factor equal to zero and solve.
4. Write the solution set.
You may check your answers using your graphing (or multiview) calculator.
Replace the 0 with y, and enter the function into the calculator.
Observe where the graph crosses the xaxis,
OR look in the table (in the ycolumn) for the ZEROS.
The xvalues should be the same as your solutions.
What should you do when there are only 2 terms in the expression to be factored?
1. Look for a GCF
2. See if it is a DIFFERENCE OF SQUARES
Use the "slide and divide" method to factor, then solve.
