сократить дробь 5x в квадрате-3x-2/5xy+2y-10x-4. Created by Slavasp99. algebra-ru

5xy+2y-10x-4...

Slavasp99 @Slavasp99

July 2022 1 32 Report

сократить дробь 5x в квадрате-3x-2/5xy+2y-10x-4

Answers & Comments

Rechnung

Verified answer

$\frac{5x^2-3x-2}{5xy+2y-10x-4}= \frac{(x-1)(5x+2)}{(5x+2)(y-2)} = \frac{x-1}{y-2} \\\\5x^2-3x-2=5(x-1)(x+0,4)=(x-1)(5x+2)\\D=(-3)^2-4*5*(-2)=9+40 =49=7^2\\x_1=(3+7)/10=1\\x_2=(3-7)/10=-4/10=-0,4\\\\5xy+2y-10x-4=y(5x+2)-2(5x+2)=(5x+2)(y-2)$

3 votes Thanks 3

Slavasp99 спасибо огромное

na uroke risovaniya pervoklassniku nado raskrasit pryamougolnik treugolnik i k266c6cec1033988052e68fdaba779b9b 82213

Answer

Slavasp99 July 2022 | 0 Ответы

oharakterizujte metall kalcija chislo protonov elektronov i nejtronov

Answer

Slavasp99 July 2022 | 0 Ответы

v korobke assorti lezhat 30 nerazlichimyh po vidu shokoladnyh konferiz kotoryh 18ba6c2a3545fe53f89274871793aaae89 96002

Answer

Slavasp99 July 2022 | 0 Ответы

otnoshenie tatyany i oneginaotnoshenie olgi i lenskogootnoshenie lenskogo i onegi

Answer

Slavasp99 July 2022 | 0 Ответы

pomogite reshit pozhalujsta v 9 klasse ne mogu reshit pomogite plizz bespomoshnom

Answer

Slavasp99 October 2021 | 0 Ответы

osnovaniya ravnobedrennoj trapecii ravny 25 i 39 bokovaya storona 25 najdite dli

Answer

Answers & Comments

Verified answer

na uroke risovaniya pervoklassniku nado raskrasit pryamougolnik treugolnik i k266c6cec1033988052e68fdaba779b9b 82213

oharakterizujte metall kalcija chislo protonov elektronov i nejtronov

v korobke assorti lezhat 30 nerazlichimyh po vidu shokoladnyh konferiz kotoryh 18ba6c2a3545fe53f89274871793aaae89 96002

otnoshenie tatyany i oneginaotnoshenie olgi i lenskogootnoshenie lenskogo i onegi

pomogite reshit pozhalujsta v 9 klasse ne mogu reshit pomogite plizz bespomoshnom

osnovaniya ravnobedrennoj trapecii ravny 25 i 39 bokovaya storona 25 najdite dli

рекомендуемые вопросы

Helpful Links

Helpful Social