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BlooDnikk
@BlooDnikk
August 2022
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Разложить на множители:
2)12a^2b+18ab^2;
3)4x^2-25y^2
4)7x^2-28
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peach9
1) 12а^2b+18ab^2=6ab(2a+3b)
2)4x^2-25y^2=(2x-5y)(2x+5y)
3)7x^2-28=7(x^2-4)=7(x-2)(x+2)
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Answers & Comments
2)4x^2-25y^2=(2x-5y)(2x+5y)
3)7x^2-28=7(x^2-4)=7(x-2)(x+2)