1. Rozwiąż równanie:
b) (3-x)²-(x+1/3)²= 2/9
c) 4(1/2x-3)²=(2-x)²
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9-6x+x²-x²-2/3x-1/9=2/9
-6i2/3x=2/9+1/9-9
-6i2/3x=-8i2/3
-20/3x=-26/3
x= 1,3
4(1/2x-3)²=(2-x)²
4(1/4x²-3x+9)=4-4x+x²
x²-12x+36=4-4x+x²
x²-12x+4x-x²=4-36
-8x=-32
x=4