Monday, January 26, 2009
Factoring Ep.5: Factor Quadratics (Trinomials), a not = 1 - 10:16
Notice that your trinomial is a quadratic function, where the value of a is NOT equal to 1.
Use the sum-product rule
i.) find 2 numbers that multiply to your "a" and "c" value, that ALSO ADD up to your "b" value.
ii.) expand your middle term
iii.) factor by grouping
iv.) answer should be a set of binomials