Question

factorise :x³-x²+9x+x-a-1 answer the following question math class 9​

Answer 1

Hi,

x³ - x² + ax + x-a-1

Rearranging the terms,

= x³ + ax + x - x²-a-1

= x (x² +a+1)-1(x²+a+1)

= (x² + a + 1)(x-1)

I hope this helps you.

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Answer 2

Answer:

factorise :x³-x²+9x+x-a-1

Step-by-step explanation:

answer is in the attachment...

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