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yanagladkova
@yanagladkova
April 2021
2
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ПОМОГИТЕ ПЛИЗ ЗАВТРА ПЕРЕВОДНАЯ, СОКРАТИТЕ ДРОБЬ 25а-20ав+4в/6в-15а
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litanalove
A²-2ab+b²=(a-b)²
25a²-20ab+4b² / 6b-15a = (5a-2b)² / -3(5a-2b) = - 5a-2b / 3
3 votes
Thanks 3
ВикаВикторовна
Verified answer
Я так понимаю, что в числите в квадрате?
(25a² -20ab +4b²) /(6b-15a) =(5²a² -2*5a*2b +2²b²) / 3(2b -5a) =(5a -2b)² /3(2b-5a) =(2b -5a)² /3(2b-5a) =(2b -5a) /3
4 votes
Thanks 3
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Answers & Comments
25a²-20ab+4b² / 6b-15a = (5a-2b)² / -3(5a-2b) = - 5a-2b / 3
Verified answer
Я так понимаю, что в числите в квадрате?(25a² -20ab +4b²) /(6b-15a) =(5²a² -2*5a*2b +2²b²) / 3(2b -5a) =(5a -2b)² /3(2b-5a) =(2b -5a)² /3(2b-5a) =(2b -5a) /3