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OpenStudy (anonymous):
Factor the trinomial 4s^2-52s+120
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OpenStudy (mertsj):
First factor out the 4
OpenStudy (mertsj):
4(s^2-13s+30)
OpenStudy (mertsj):
Now think of two factors of 30 whose sum is -13
OpenStudy (anonymous):
4(s-3)(s-10)
OpenStudy (anonymous):
4(s2-13s+30) 4(s2-10s-3s+30) 4s(s-10)-3(s-10) 4(s-3)9s-10)
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OpenStudy (anonymous):
that is not 9 but is (
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