Find the missing coefficient (4d—4)(3d—2)=12d^2+ []d+8

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09-05-2017
Mathematics

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Find the missing coefficient (4d—4)(3d—2)=12d^2+ []d+8

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meerkat18 meerkat18 · Answer 1 · 2017-05-22T20:11:47+02:00

meerkat18 meerkat18

22-05-2017

(4d-4)(3d-2)=12d^2 + []d + 8

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.

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