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nastenka040716
@nastenka040716
July 2022
2
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разложите на множители
a)49-a^2
b)5a(a-1)+3(a-1)
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konstantsya
a)49-a^2 = (7-а)(7+а)
b)5a(a-1)+3(a-1) = (а-1)(5а+3)
2 votes
Thanks 1
konstantsya
Пожалуйста, отметь как ЛУЧШЕЕ. Спасибо))
konstantsya
Nastenka040716, если что -пиши. Помогу)
yanaesipenko
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Answers & Comments
b)5a(a-1)+3(a-1) = (а-1)(5а+3)