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Select the difference of (4x2 - 3x3) - (2x2 - 9x3).?

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  • Select the difference of (4x2 - 3x3) - (2x2 - 9x3).?


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Answer #1 | 22/12 2013 20:13
(4x^2 - 3x^3) - (2x^2 - 9x^3) = 4x^2 - 2x^2 - 3x^3 + 9x^3 = 6x^3 + 2x^2
Answer #2 | 23/12 2013 10:01
(4x^2 - 3x^3) - (2x^2 - 9x^3) = distribute: 4x^2 - 3x^3 - 2x^2 + 9x^3 = combine like terms: 6x^3 + 2x^2 = factor: 2x^2(3x + 1) - .--

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