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Mathematics, 15.04.2020 08:58 babydoll022299

What is the missing coefficient?
(15х2 + 11у^2 +8x)-(7х^2 + 5y^2+2x) =___x^2+ 6у+ 6х
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What is the missing coefficient?
(15х2 + 11у^2 +8x)-(7х^2 + 5y^2+2x) =___x^2+ 6у+ 6х
4
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