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| Math Central | Quandaries & Queries |
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Question from claire, a parent: Hi, I can't figure out what to do with the Q(x) right smack in the given identities. If 4x^3 - 6x^2 + 1 = (x-2)(x+1)Q(x) + ax +b where Q(x) is a polynomial, find a and b. Thanks for your help. Rgds |
Hi Claire,
Substitute x = 2 into the expression and simplify. Can you see how to complete the problem now?
Penny
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