erica10070
erica10070
09-02-2017
Mathematics
contestada
x²+7x+12=0
how do you solve
Respuesta :
itsquestionable101
itsquestionable101
09-02-2017
With these types of probe lens with no coefficient for x, all you have to do is find two number that multiply to be 12, and those same two numbers must add to be 7.
Answer: (x+3)(x+4) because 3 and 4 multiply to be 12 as well as add to be 7.
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