trejoste1
24.08.2019 •
Mathematics
How do you factor x squared - 14 xy - 51 y squared
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Ответ:
Ответ:
a= - 4, b =3, c=2
Formula for discriminant is
D = b² - 4ac.
D= 9-4*(-4)*2=9+32=41 >0
We see that discriminant is positive (more than 0), so this equation has 2 roots.
Answer is C. two.