izabelllreyes
27.08.2019 •
Mathematics
Find the missing coefficient (4d—4)(3d—2)=12d^2+ []d+8
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Ответ:
Using FOIL method:
4d x 3d = 12d^2
4d x -2 = -8d
-4 x 3d = -12d
-4 x -2 = 8
Adding common terms, we have:
-8d + -12d = -20 d
The missing coefficient is -20.
Ответ:
for two chords to be equidistant from the center of the circle, their lengths are exactly the same, namely we can conclude that dc ≅ fa.