(а+1)^2 +3 (а-1)^2 -5(а+1)(а-1) упростить выражение. Created by goldsvetlana140. algebra-ru

(а+1)^2 +3 (а-1)^2 -5(а+1)(а-1) упростить выражение...

goldsvetlana140 @goldsvetlana140

July 2022 1 15 Report

(а+1)^2 +3 (а-1)^2 -5(а+1)(а-1)
упростить выражение

Answers & Comments

andrisd

Verified answer

(a+1)²+3(a-1)²-5(a+1)(a-1)=

1) (a+1)²=(a+1)(a+1)=a²+a+a+1=a²+2a+1
2) 3(a-1)²=3(a-1)(a-1)=3(a²-a-a+1)=3a²-6a+3
3) 5(a+1)(a-1)=(5a+5)(a-1)=5a²-5a+5a-5=5a²-5

=(a²+2a+1)+(3a²-6a+3)-(5a²-5)=a²+2a+1+3a²-6a+3-5a²+5=-a²-4a+9

11 votes Thanks 16

pomogite najti kazahskuyu narodnuyu skazku kajdan keldim baursakotkuda prishel bau

Answer

goldsvetlana140 July 2022 | 0 Ответы

2h 52 2h 32h3 0 reshit uravnenie

Answer

Answers & Comments

Verified answer

morfologicheskij razbor preobrazhat

x2 5x6 na mnozhiteli a2 7ab10b2

a22 preobrazujte vyrazhenie v mnogochlen

cherez kakie prirodnye zony protekaet amazonka

slovoobrazovatelnyj razbor razlichimoe

cherez kakie prirodnye zony protekaet reka parana

7m 39n 43 predstavte a vide mnogochlena

meruert kajrat yura i lena odnoklassniki odin iz nih rodilsya 7 maya drugoj

pomogite najti kazahskuyu narodnuyu skazku kajdan keldim baursakotkuda prishel bau

2h 52 2h 32h3 0 reshit uravnenie

рекомендуемые вопросы

Helpful Links

Helpful Social