РЕШИТЕ УРАВНЕНИЕ, ПОЖАЛУЙСТА!!!! (х-3)^2+(3-х)(х+3)=(х+2)^2-х^2. Created by ViolettaSc. algebra-ru

РЕШИТЕ УРАВНЕНИЕ, ПОЖАЛУЙСТА!!!! (х-3)^2+(3-х)(х+3)=(х+2)^2-х^2...

June 2022 1 3 Report

РЕШИТЕ УРАВНЕНИЕ, ПОЖАЛУЙСТА!!!!
(х-3)^2+(3-х)(х+3)=(х+2)^2-х^2

Answers & Comments

krugly1981 ( x - 3)² - ( x - 3)(x + 3) = x² + 4x + 4 - x²
(x - 3)( (x - 3) -( x + 3) ) = 4x + 4
(x - 3)( x - 3 - x - 3) = 4x + 4
- 6(x - 3)= 4x + 4
- 6x + 18 = 4x + 4
- 6x - 4x = - 18 + 4
- 10x = - 14
10x = 14
x = 14/10
x = 1,4

0 votes Thanks 2

ViolettaSc Спасибо большое)

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Answers & Comments

srochno slovoobrazovatelnyj razbor prichastiya peredayushaya

u pyatiklassnika vasi est 10 kartochek na kotoryh napisany vse cifry ot 0 do 96e475e2cba07f674c319036f047fe7d4 20502

reshit uravnenie srochno pozhalujsta 1 h72h 50 2 h2h 3h 60 3 9h

12 g opredelit chislo dozhdevyh kapel upavshih na 1 kvadratnyj metr zemli esli

srochno dayu 20 ballov respublika kareliya a v kakom klimaticheskom poyase nahodi

chto takoe plod kakogo ego znachenie

sostavte pozhalujsta predlozhenie so slovom myatezh zaranee spasibo

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