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Mathematics 8 Online
OpenStudy (anonymous):

what's the simplified form of (a+5)(3a)(2a+4)?

OpenStudy (akashdeepdeb):

WELCOME TO OPEN STUDY!! :D

OpenStudy (akashdeepdeb):

3a(a+5)(2a+4) TAKE 2 COMMON FROM THE THIRD TERMS.. 2*3a(a+5)(a+2) NOW OPEN THE BRACKETS... 6a[a(a+2)+5(a+2)] NOW JUST MULTIPLY THEM... 6a[a2 + 7a + 10] NOW USE THE DISTRIBUTIVE PROPERTY... 6a3 + 42a2 + 60a UNDERSTOOD? :)

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