zadanie w zalaczniku ! bardzo prosze o pomoc . tylko rozwiazac bez zadnych rysunkow
6.a)
2x-y-6=0
(3x-1)(1+3x)+y=(1-3x)²
3x+9x²-1-3x+y=1+9x²
2x-y=6
3x+9x²-3x+y-9x²=2
y=2
2x=6+2
2x=8/2
x=4
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6.a)
2x-y-6=0
(3x-1)(1+3x)+y=(1-3x)²
2x-y-6=0
3x+9x²-1-3x+y=1+9x²
2x-y=6
3x+9x²-3x+y-9x²=2
2x-y=6
y=2
2x=6+2
y=2
2x=8/2
y=2
x=4