124 номер пожалуйста(простите за перевертыш). Created by kerwprod12. algebra-ru

124 номер пожалуйста(простите за перевертыш)...

November 2021 1 27 Report

124 номер пожалуйста(простите за перевертыш)

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twilight16 1)(3b-5)^2-49=9b^2-30b+25-49=9b^2-30b-24

2)(2x-3)^2-(x+4?)^2=4x^2+12x+9-x^2-8x-16=3x^2+4x-7

3)a^4-(a-7)^2=a^4-a^2+14a-49

4)(a-b+c)^2-(a-b-c)^2=(a-b)^2+c^2- (a-b)^2-c^2=(a-b)^2=a^2-2ab+b^2

4)

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kerwprod12 August 2022 | 0 Ответы

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kerwprod12 August 2022 | 0 Ответы

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