Math, asked by deepdemta8031, 10 months ago

Factorise x3-3x2-9x-5

Answers

Answered by 1090482188
5

Answer:

Step-by-step explanation:

        x² -4x -5

x+1√x³-3x²-9x-5                     f(-1)=0

       x³+x²                                ∴x+1 is a factor.

           -4x²-9x-5  

           -4x²-4x                         ∴x²-4x-5=(x+1)(x-5)

                  -5x-5                      ∴f(x)=(x+1)²(x-5)

                  -5x-5

                         0      

                     

Answered by Anonymous
8

Answer:

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Hope it helps you

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