4\х-1\2х-6= 5х+71\х+5= 2х+3\х(х+1)+4\3х= 5у-7\(у-3)*(2у+5)-5\у=

Question

4\х-1\2х-6=

5х+71\х+5=

2х+3\х(х+1)+4\3х=

5у-7\(у-3)*(2у+5)-5\у=

Comments

ПОМОГИТЕ

Answer 1

1) 4*(2x-6)-x/x*(2x-6)=
=8x-24-x/ 2x^2-6x=
7x-24/2x^2-6x
2) 5х+71/х+5/1=
= 5x+71+5x/x =
= 10x+71/x
3) 5y-7/y-3 * 2y+5-5/y=
= 5y-7/y-3 * 2y/y =
= 5y-7/y-3 * 2 =
= 2*(5y-7)/y-3 =
= 10y-14/y-3

Comments

Ой, забыла 3)3*(2x+3)+4(x+1)/3x*(x+1)=

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=6x+9+4x+4/3x^2+3x= 10x+13/3x^2+3x