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4x2 + 12x + 5 = 4x2 + 2x + 10x + 5 = 2x(2x+1) + 5(2x+1) = (2x+1)(2x+5)

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2009-11-29 11:31:39
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A polynomial of degree zero is a constant term

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Q: Factorise 4xsquare plus 12x plus 5?
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