Fun Problems

Farhaan Assar

You can use FOIL (First, Outer, Inner, and Last) to expand 2 factors.

ex. (x+1)(x+3) = x^2 + 3x + 1x + 3

                       = x^2 + 4x + 3


Try to simplify (x-a)(x-b)(x-c)....(x-z). 

Hint: It's easier than you think. Maybe write out all the terms!

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