Rozwiąż równania
(3-x)²-(x +1/3)² = 2/9
4(1/2x-3)² = (2-x)²
(6+1/3x)(-1/3x+6)+(1/3x - 4)² = 4
(-4x-3)(4x-3)+8(1-√2x)² = 1
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3²-x²-x²-1/9=2/9
9-2x²-1/9=2/9 /*9
81-18x²-1=2
-18x²=-78 /:-18
x=4,3
2x-36=4-x²
2x+x²=40 /:2
x²=40
-2x+36-1/9x+2x+1/9-16=4
1/9x+20 1/9=4 /*9
x+181=36
x=145