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OpenStudy (anonymous):
3x^2= 21x-30
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OpenStudy (anonymous):
3x^2 - 21x +30 = 0 (divide by 3) x^2 -7x +10 = 0 (x-2)(x-5) x=2 or 5
OpenStudy (anonymous):
Thanks!~ (:
OpenStudy (anonymous):
Glad to have helped. key is to make the quadratic as simple as poss. Cheers for the medal! whatever they are for
OpenStudy (anonymous):
They are for having the best response c:
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