Вариант 2 1) 63аb3-7а2b 2) m2+6mn+9n2-m-3n 3) (b-с) (b+с) -а(а+2с) 4) 9а3b-18аb2-9а 5) 9а2-30аb+25b2 срочно !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!. Created by 2304qweasdzxc2304. algebra-ru

Вариант 2 1) 63аb3-7а2b 2) m2+6mn+9n2-m-3n 3) (b-с) (b+с) -а(а+2с) 4) 9а3b-18аb...

July 2022 1 4 Report

Вариант 2
1) 63аb3-7а2b
2) m2+6mn+9n2-m-3n
3) (b-с) (b+с) -а(а+2с)
4) 9а3b-18аb2-9а
5) 9а2-30аb+25b2
срочно !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answers & Comments

Юленька194

$1) 63ab^3-7a^2b=7ab(9b^2-a) \\ 2) m^2+6mn+9n^2-m-3n=(m+3n)^2-(m+3n)=(m+3n)(m+3n-1) \\ 3) (b-c) (b+c) -a(a+2c)=b^2-c^2-a^2-2ac=b^2-(a^2+2ac+c^2)=b^2-(a+c)^2=(b-a-c)(b+a+c) \\ 4) 9a^3b-18ab^2-9a=9a(a^2b-2b-1) \\ 5) 9a^2-30ab+25b^2=(3a-5b)^2$

3 votes Thanks 4

reshite pozhalujsta srochnoa488709f0cf3d04ce1245d28070d0514 1326

Answer

2304qweasdzxc2304 July 2022 | 0 Ответы

napisat slozhnyj plan otveta na vopros severnaya vojna 1700 1721 gg

Answer

Answers & Comments

reshite pozhalujsta srochnoa488709f0cf3d04ce1245d28070d0514 1326

napisat slozhnyj plan otveta na vopros severnaya vojna 1700 1721 gg

рекомендуемые вопросы

Helpful Links

Helpful Social