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Mathematics 8 Online
OpenStudy (anonymous):

Find the remaining factors of 2x^3-15x^2-2x+120 if 2x+5 is one of the factors. Please show me the steps. A.x-3,x-8 B.x+3,x+8 c.x+6,x+4 D.x-12,x-2 E.none of these

OpenStudy (kropot72):

By dividing the first expression by (2x +5) the following is obtained: x^2 - 10x + 24 This factorises into (x - 6)(x - 4) Therefore the correct choice is E. none of these.

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