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math...up for a challenge?

posted by on .

given that (x+2)s a factor of 2x^3+ 6x^2 + bx - 5 find the remainder when the expression is divided by (2x - 1)

Well let's factor it then to get
(x+2)(2x^2 + 2x - 5/2)
I'll let you figure out b and then do the division to find the remainder.

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