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OpenStudy (anonymous):
Factoring trinomials.... 25b^2+5b-42
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OpenStudy (campbell_st):
well I'd say it will be (5b + factor 1)(5b + factor 2) find the factors that have a difference of 1.
OpenStudy (campbell_st):
oops that should be factors or -42 that have a difference of 1
jimthompson5910 (jim_thompson5910):
One way to find the factors is to use the quadratic formula to solve 25b^2+5b-42 = 0 for b
OpenStudy (anonymous):
Thats how you factor the trinomials? @jim_thompson5910
jimthompson5910 (jim_thompson5910):
what do you get when you use the quadratic formula
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OpenStudy (anonymous):
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