Mathematics, 18.04.2020 16:18 wichserc3399

|(x+2)²-x(x + 3) = 3(1+y)-(x-6).
5(x+2y)+(y-3)²=(y+2)(y-2) +2(2x + 5)

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|(x+2)²-x(x + 3) = 3(1+y)-(x-6).
5(x+2y)+(y-3)²=(y+2)(y-2) +2(2x + 5)...