adrianVocke3705
29.01.2020 •
Mathematics
Solve by factoring of finding square roots. x^2+9x+20=0
a. -4,-5
b. -2,10
c. 4,5
d. 2,10
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Ответ:
C
Step-by-step explanation:
Well it’s 117=9 x=15 208 is the most sensible option so it’s 117=9 208=15