2 Answers

OctavianM · Answer 1 · 2017-09-19T10:31:48+0000

5(4c−2d)+2d−6(d−3c). Distribute: =(5)(4c)+(5)(−2d)+2d+(−6)(d)+(−6)(−3c) =20c+−10d+2d+−6d+18c. Combine Like Terms: =20c+−10d+2d+−6d+18c =(20c+18c)+(−10d+2d+−6d) =38c+−14d.

Elegant Dice · Answer 2 · 2017-09-21T09:13:59+0000

Hi

5(4c-2d) + 2d - 6(d-3c) = 20c - 10d + 2d - 6d + 18c

5(4c-2d) = 5(4c)+5(-2d) = 20c-10d
- 6(d-3c) = -6(d)-6(-3c) = -6d+18c

20c - 10d + 2d - 6d + 18c = 20c + 18c - 10d - 6d + 2d = 38c - 14d

20c+18c = 38c
-10d-6d+2d = -16d+2d = -14d

Answer: 38c-14d

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