1.

(a) Is `x -2` a factor of `x^(3) + x^(2) - 4x -4` ?

Answer» Let `q(x) = x^(3) + x^(2) -4x -4`
`q(2) = 8 + 4 -8 - 4 = 0`
`:. x -2` is a factor of q(x)


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