Rozwiąż równanie i sprawdź poprawność rozwiązania.
1.(2x-2)²=4x(x-4)
2.x(4x-3)=(2x-3)²
3.x(0,04x-1,3)=(0,2x-1)²
4x²-8x+4=4x²-16x
-8x=4
x=-1/2
spr
(2*(-1/2)-2)²=4*(-1/2)(-1/2-4)
9=9
4x²-3x=4x²-12x+9
9x=9
x=1
1*(4*1-3)=(2*1-3)²
1=1
0,04x²-1,3x=0,04x²-0,4x+1
-0,9x=1
x=-10/9
-10/9(4/100*(-10/9)-13/10)=(2/10*(-10/9)-1)²
121/81=121/81
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1.(2x-2)²=4x(x-4)
4x²-8x+4=4x²-16x
-8x=4
x=-1/2
spr
(2*(-1/2)-2)²=4*(-1/2)(-1/2-4)
9=9
2.x(4x-3)=(2x-3)²
4x²-3x=4x²-12x+9
9x=9
x=1
1*(4*1-3)=(2*1-3)²
1=1
3.x(0,04x-1,3)=(0,2x-1)²
0,04x²-1,3x=0,04x²-0,4x+1
-0,9x=1
x=-10/9
-10/9(4/100*(-10/9)-13/10)=(2/10*(-10/9)-1)²
121/81=121/81