wedderman6049
05.07.2019 •
Mathematics
Ineed on 25. i know the answer is 2a but i need to see the work. i’ve tried so many possibilities.
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Ответ:
a(2a-3(1-a))+5(a-a^2)
distribute the inner most parenthesis
a( 2a -3+3a))+5(a-a^2)
combine like terms
a(5a-3) +5(a-a^2)
distribute both sets of parenthesis
5a^2 -3a +5a-5a^2
combine like terms
5a^2-5a^2 -3a+5a
2a
Ответ: