Question

$subtract \: the \: sum \: of \: 4x { }^{2} + 7xy + 3y {}^{2} + 1 \: and \: 2x {}^{2} - 5xy - 2y {}^{2} + 8 \: from \: 9x {}^{2} - 8xy + 11y {}^{2}$
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Answer 1

Step-by-step explanation:

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