сократите дробь 1)2m^2-72n^2\(4m+24n)^2 2)a^2-8\ab-a-2b+2 3)a^3+2a^2b+ab^2\a^3-ab^2. Created by nasta270203. algebra-ru

сократите дробь 1)2m^2-72n^2\(4m+24n)^2 2)a^2-8\ab-a-2b+2 3)a^3+2a^2b+ab^2\a^3-...

nasta270203 @nasta270203

August 2022 1 30 Report

сократите дробь
1)2m^2-72n^2\(4m+24n)^2
2)a^2-8\ab-a-2b+2
3)a^3+2a^2b+ab^2\a^3-ab^2

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DariosI

Verified answer

$1)\frac{2m^2-72n^2}{(4m+24n)^2} = \frac{2(m^2-36n^2)}{(4(m+6n))^2}=\frac{2(m-6n)(m+6n)}{16(m+6n)^2}=\frac{(m-6n)}{8(m+6n)}$

$2) \frac{a^3-8}{ab-a-2b+2}=\frac{a^3-8}{a(b-1)-2(b-1)}=\frac{(a-2)(a^{2} +2a+4)}{(a-2)(b-1)}=\frac{(a^2+2a+4)}{(b-1)}$

$3) \frac{a^3+2a^2b+ab^2}{a^3-ab^2} =\frac{a(a^2+2ab+b^2)}{a(a^{2} -b^2)}= \frac{(a+b)^{2}}{(a -b)(a+b)}= \frac{a+b}{a-b}$

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foneticheskij razbor slova tretej morfemnyj razbor slova pognalos morfologichesk980ae1d0d066fb7d318ef0d083a5b5f9 18007

foneticheskij razbor slova tretej morfemnyj razbor slova pognalos morfologichesk

raskrojte skobki i reshite primery 345m 6n 02 14tz 25y 31x78y 96

srochno pozhalujsta obyasnite chto oznachayut sleduyushie zapisi arh10081 arag

na storone av treugolnika avs otmetili tochku d takchto vdvsugol asd15 gradus6936f23693c5055cdf7749fa71eb8327 2813

1 uprostite vyrazhenie 1 20a v 8 stepeni 9a vo 2 stepeni 2 b v 5 stepen

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dayu 40b iz rajonnogo centra v derevnyu ezhednevno hodit avtobus k veroyatnosti tog

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