Rozwiąż równania :
a)
b)
dziekuje :) dam na.j
1,2(6x-1) = 2,3 (x+1)
7,2x – 1,2 = 2,3x + 2,3
7,2x – 2,3x = 2,3 + 1,2
4,9x = 3,5 /*10
49x = 35 /: 49
x = 35/49
x = 5/7
-x(1-6x) = 2x(3x-1)
-x + 6x² = 6x² -2x
-x+6x² -6x² + 2x = 0
x = 0
1,2·(6x-1)=2,3·(x+1)
7,2x-1,2=2,3x+2,3
7,2x-2,3x=1,2+2,3
4,9x=3,5 /: 4,9
x= 3,5/4,9
x=35/49
b) )
-x·(1-6x)=2x·(3x-1)
-x+6x²=6x²-2x
-x+2x=0
x=0
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a)
1,2(6x-1) = 2,3 (x+1)
7,2x – 1,2 = 2,3x + 2,3
7,2x – 2,3x = 2,3 + 1,2
4,9x = 3,5 /*10
49x = 35 /: 49
x = 35/49
x = 5/7
b)
-x(1-6x) = 2x(3x-1)
-x + 6x² = 6x² -2x
-x+6x² -6x² + 2x = 0
x = 0
1,2·(6x-1)=2,3·(x+1)
7,2x-1,2=2,3x+2,3
7,2x-2,3x=1,2+2,3
4,9x=3,5 /: 4,9
x= 3,5/4,9
x=35/49
b) )
-x·(1-6x)=2x·(3x-1)
-x+6x²=6x²-2x
-x+2x=0
x=0