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Algebra 20 Online
OpenStudy (anonymous):

x^2-4x+3 factor trinomial completely

OpenStudy (anonymous):

@reason Do you know product and sum rule?

OpenStudy (anonymous):

no

jimthompson5910 (jim_thompson5910):

find two numbers that multiply to 3 and add to -4 at the same time

OpenStudy (anonymous):

-1 and -3

jimthompson5910 (jim_thompson5910):

so x^2 - 4x + 3 factors to (x-1)(x-3)

jimthompson5910 (jim_thompson5910):

the two numbers you found go straight into the factorization

OpenStudy (anonymous):

so thats the final answer?

jimthompson5910 (jim_thompson5910):

yes

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