Factorise completely: x³+x²-4x-4
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Step-by-step explanation:
Let f(x) = x3 - x2 - 4x + 4
For x = 1,
f(1) = 1 - 1 - 4 + 4 = 0
Hence, (x - 1) is a factor of f(x).
Thus, we have
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answer for the given problem is given
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