Question

2(x^2-2)(x^2+7)......find the product..
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Answer 1

Answer

$2( {x}^{2} - 2)( {x}^{2} + 7) \\ = 2({x}^{2} + (7 - 2) {x}^{2} + 7 \times - 2 ) \\ = 2( {x }^{2} + 5x^{2} - 14) \\ = {2x}^{2} + {10x}^{2} - 28</u></em></strong></h2><h2><strong><em><u>[tex]2( {x}^{2} - 2)( {x}^{2} + 7) \\ = 2({x}^{2} + (7 - 2) {x}^{2} + 7 \times - 2 ) \\ = 2( {x }^{2} + 5x^{2} - 14) \\ = {2x}^{2} + {10x}^{2} - 28$

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