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OpenStudy (anonymous):
whats 2x^2+7x-18 A.(x-3)(x-6) b.(x-3)(x+6) c.(x+2)(x-9) D.(x-2)(x+9)
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OpenStudy (anonymous):
try multiplying the possible answers and see which one gives you 2x^2+7x-18
OpenStudy (anonymous):
tha answer is A!
OpenStudy (amistre64):
the clues given by the equation are: 2x^2(+)7x (-)18 ^ ^ ^ +*- = - ; so the signs are different ^ larger factor of (18) is positive
OpenStudy (amistre64):
+6-3 = NOT7 so thats out +9-2 = 7, so its gonna be one of the options that fits the bill
OpenStudy (amistre64):
determine which option has a +9 and a -2 in it, and go with it :)
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OpenStudy (anonymous):
can u help me
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