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22Meow22
@22Meow22
December 2021
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Ребяяят помогитее!! Я вообще не могу решить. Разложите на множители :
а) а²-4б²-а+2б.
б) 9х²+6х+1-4у²
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Taniareeen
A)ТОже непонимаю
б)9x²+6x+1-4y²=(3x+1)²-4y²=(3x+1-2y)*(3x+1+2y)
1 votes
Thanks 1
tamarabernukho
а) а²-4b²-а+2b=(a-2b)(a+2b)-(a-2b)=(a-2b)(a+2b-1)
б) 9х²+6х+1-4у²=(3x+1)
²-(2y)²=(3x+1-2y)(3x+1+2y)
2 votes
Thanks 3
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Answers & Comments
б)9x²+6x+1-4y²=(3x+1)²-4y²=(3x+1-2y)*(3x+1+2y)
б) 9х²+6х+1-4у²=(3x+1)²-(2y)²=(3x+1-2y)(3x+1+2y)