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-7c(-7c + 5)-3c =

0 votes

A. 49c^2 - 32c

B. -49c^2 - 38c

C. 14c^2 + 38c

D. 49c^2 - 38c

E. 14c^2 - 38c

solving-equations

asked Mar 11, 2014 in PRE-ALGEBRA by payton Apprentice

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1 Answer

0 votes

Given

- 7c(- 7c + 5) - 3c.

Apply distributive property : a(b - c) = ab - ac.

= 49c^2 - 35c - 3c

= 49c^2 - 38c.

Therefore,- 7c(- 7c + 5) - 3c = 49c^2 - 38c.

answered Mar 12, 2014 by dozey Mentor

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