Помогите решить, не понимаю !. Created by lydakkr. algebra-ru

Помогите решить, не понимаю !...

lydakkr @lydakkr

July 2022 1 2 Report

Помогите решить, не понимаю !

Answers & Comments

гюйс

Verified answer

1.
-3/4 * (-4)² (-4+3)=-3*4*(-1)=12

2.
18а² - 26²=2(9а² - 13²)=2(3а-13)(3а+13)
6с^4 -48a³c=6c(c³ - 8a³)=6c(c-2a)(c²+2ac+4a²)

3.
3х-2(5х-4)=6(2-3х)+7
3х-10х+8=12-18х+7
-7х+8=19-18х
18х-7х=19-8
11х=11
х=1

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