ArteHuntress ArteHuntress

23-08-2015
Mathematics

contestada

50a3 + 10a2

A. 10a2(5a + 1)
B. 5a2(10a + 2)
C. 10a2(5a - 1)
D. 10a(5a2 + 1a)

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konrad509 konrad509

23-08-2015

[tex]50a^3+10a^2=10a^2(5a+1)\Rightarrow A[/tex]

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Аноним Аноним

23-08-2015

[tex]50a^3+10a^2\\\\50a^3=10\cdot5\cdot a^2\cdot a=10a^2\cdot5a\\\\50a^3+10a^2=10a^2\cdot5a+10a^2\cdot1=\huge\boxed{10a^2(5a+1)}\to\boxed{A}[/tex]

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