Question

Subtract the second expression from the first.
$1. \: (14x {}^{2} + 8xy + 3y {}^{2}) (26x {}^{2} - 8xy - 17y {}^{2} )$
$2.(6x {}^{2} + 7xy + 16y {}^{2} ) (16x {}^{2} - 17xy)$
$3. (4x + 16z) \: (19y - 14z + 16x)$
By step by step in Horizontal arrangement
pls help
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Answer 1

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