ma8rHaSeanuele ma8rHaSeanuele

23-07-2016
Mathematics

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Find the product of (x2 + 4x − 3)(2x2 + x + 6)

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dalendrk dalendrk

25-07-2016

[tex](x^2 + 4x-3)(2x^2 + x + 6)\\\\=(x^2)(2x^2)+(x^2)(x)+(x^2)(6)+(4x)(2x^2)+(4x)(x)+(4x)(6)\\-(3)(2x^2)-(3)(x)-(3)(6)\\\\=2x^4+x^3+6x^2+8x^3+4x^2+24x-6x^2-3x-18\\\\=\boxed{2x^4+9x^3+4x^2+21x-18}[/tex]

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