" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
x^2+6x-9=x^2-x+1
6x+x=1+9
7x=10/:7
x=1i3/10
3(x+2)-2=4(x-1)+5
3x+6-2=4x-4+5
3x-4x=-4+5-6+2
-x=-3/:-1
x=3
6x-9= -x +1
6x+x=1+9
7x=10 /:7
x= 10/7
2. 3x+6-2= 4x-4 +5
3x -4x = -4+5+2-6
-x= -3 /* (-1)
x=3
x²+6x-9=x²-x+1
x²-x²+6x+x=1+9
7x=10 /:7
x=10/7
sprawdzenie
(10/7)*(10/7 +6)-9=(10/7)*(10/7 -1)+1
(10/7)*(10/7 +42/7) -9=(10/7)*(10/7 -7/7) +1
(10/7)*(52/7) -9=(10/7)*(3/7) +1
520/49 -441/49=30/49 +49/49
79/49 = 79/49
L=P
3(x+2)-2=4(x-1)+5
3x+6-2=4x-4+5
3x-4x=1-4
-x=-3 /:(-1)
x=3
sprawdzenie
3(3+2)-2=4(3-1)+5
3*5-2=4*2+5
15-2=8+5
13=13
L=P