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Thursday, February 10, 2011

Vertical Multiplying Polynomials!

http://www.purplemath.com/modules/polymult.htm

First step: Simplify (x + 3)(x + 2)
Second Step: top terms = (x + 3)
Second terms= (x + 2)

like a regular multiplication problem, you set up the equation like this: multiplication
Third step: multiply the 2 and the 3 and then the 2 and the x.
then the x and 3 and the x and x.
Step 4: you add your answers and end up with: x2 + 5x + 6!

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