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Using factor theorem, factorise the poly...

Using factor theorem, factorise the polynomial `x^3+x^2-4x-4`

Text Solution

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Let `f(x)=x^3+x^2–4x–4`
For `x=−1`, the value of `f(x) `will be
`f(−1)=(−1)^3+(−1)^2–4(−1)–4`
`=−1+1+4–4=0`
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