really fast

Asked by pranavjain | 8th May, 2010, 07:10: PM

Expert Answer:

The polynomial is exactly divisible by 3x + 5, therefore for x = -5/3 the polynomial should = to zero

Substituting x = -5/3 the polynomial becomes

-250/9 +400/9 -15p -45 =0

105 =15p

p = 7    Ans

Answered by  | 9th May, 2010, 09:55: AM

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