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OpenStudy (anonymous):
Amir evaluated 5x - (x + 3)2 for x = 2, as shown. Describe Amir's mistake and find the correct answer. 5(2) - (2 + 3)2 = 10 + (-5)2 = 10 + 25 = 35
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OpenStudy (anonymous):
First off, Amir multiplied -5 time two, and said it was 25. The real answer is 0.
OpenStudy (anonymous):
The expression -3m - [2m + (5 - m)] + 7 was simplified as 2 - 4m. Without simplifying, explain how you can show that it has been simplified correctly.
OpenStudy (anonymous):
may you help me @Brekitty01
OpenStudy (anonymous):
ok you have to work backwards. So what would you do first?
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