Предмет: Алгебра, автор: annamogilna89

Виконайте дії будь ласка терміново
5у/2у-10+3у/15-3у

Ответы

Автор ответа: dobra888

0

Відповідь: 3y/[ 2( y - 5 ) ] .

Пояснення:

5у/( 2у - 10 ) + 3у/( 15 - 3у ) = 5y/[ 2( y - 5 ) - 3y/[ 3( y - 5 ) ] =

= ( 5y * 3 - 3y * 2 )/[ 6( y - 5 ) ] = ( 15y - 6y )/[ 6( y - 5 ) ] = 9y/[ 6( y - 5 ) ] =

= 3y/[ 2( y - 5 ) ] .

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