Question

3. Simplify 4x2 + y2 -6xy - (3y2 + 12x2 + 8xy) – (6x2 + 8y2 + 6xy).
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Answer 1

Answer:

$4x {}^{2} + y {}^{2} - 6xy - 3y {}^{2} - 12x {}^{2} - 8xy - 6x {}^{2} - 8y {}^{2} - 6xy \\ \\ - 14x {}^{2} - 10y {}^{2} - 20xy$

Step-by-step explanation:

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