dcwilliams3 dcwilliams3

26-06-2017
Mathematics

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Find the product of (x2 + 2x −3)(4x2 − 5x + 6)

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texaschic101 texaschic101

26-06-2017

(x^2 + 2x - 3)(4x^2 - 5x + 6) =
x^2(4x^2 - 5x + 6) + 2x(4x^2 - 5x + 6) - 3(4x^2 - 5x + 6) =
4x^4 - 5x^3 + 6x^2 + 8x^3 - 10x^2 + 12x - 12x^2 + 15x - 18) =
4x^4 + 3x^3 -16x^2 + 27x - 18 <==

Answer Link

26-06-2017

4x^4+3^3-16x^2-27-18

Answer Link

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