Use the properties of real numbers to simplify the following expressions: 2a(a – 5) + 4(a – 5)
2a(a – 5) + 4(a – 5) =2a^2 - 10a + 4a - 20 =2a^2 - 6a -20
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Question
Updated 6/10/2014 1:42:29 PM
Flagged by debnjerry, Edited by andrewpallarca [6/10/2014 1:42:26 PM], Unflagged by andrewpallarca [6/10/2014 1:42:29 PM]
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2a(a – 5) + 4(a – 5)
=2a^2 - 10a + 4a - 20
=2a^2 - 6a -20
Confirmed by andrewpallarca [6/10/2014 1:42:17 PM]

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