IntrovertActivated IntrovertActivated

16-03-2021
Mathematics

contestada

class 9
if (x+1) is a factor of x³+2x²-5x-6, then factorise it.

please give me the answer fast...

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sqdancefan sqdancefan

16-03-2021

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Answer:

(x +3)(x +1)(x -2)

Step-by-step explanation:

A graphing calculator is a good tool for finding factors fast. Each zero (p) gives rise to a factor (x -p).

The graph shows zeros at -3, -1, and 2, so your factorization is ...

(x +3)(x +1)(x -2)

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