1. Press the "Y= button on the TI84 graphing calculator. This will display a screen to input the trinomial equation. For example, type in the equation: (15X^2) + (14X)  8.
http://www.ehow.com/how_10012278_factortrinomials...

2 x 2 x 3 x 7.
http://wiki.answers.com/Q/What_is_the_prime_factor...

Factors are the numbers that divide evenly into a number; for 84, it would be
http://www.chacha.com/question/whatareallthefa...

The GCF is 4.
http://wiki.answers.com/Q/What_is_the_greatest_com...
