Objective:
Factor а trinomial with a= l
Factoring Trinomials when а= 1
(in the form х2 +Ьх+с)
When we factor. we are trying to rewrite а second epolynomial as the
product of Z
first deqree Ьinomials. There is а pattern that always appears
when we're factoring.
Example .... (x + 2)(х + 3) = х 2 + 5х + 6
sooo the factors of х 2 + 5х + 6 are (х + 2) and (х + 3).
Notice that the 6 comes from (2)(3) and the 5 comes
from 2 + 3. Example:
Factor
Example #2: Factor
because there are no integer f actors < f с that add to Ь.
Example:
There are no REAL factors of 10 that sum to 5, so ...
it's Prime!
Checklist:
• Сап you factor а trinomial when a=l?
• Will you• remember to factor out the GCG at
the start of every proЫem?
Factor а Trinomial with a=1 Assignment
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