Question

factorise x^2-10x+9​

Answer 1

Answer:

x²-10x+9

= x²-(9+1)x+9

= x²-9x-x+9

= x(x-9)-1(x-9)

= (x-9)(x-1)

Step-by-step explanation:

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Answer 2

Answer:

$x ^{2} - 10x + 9 \\ x^{2} - (9 + 1)x - x +9 \\ x^{2} - 9x - x + 9 \\ x(x - 9) - 1(x - 9) \\ (x - 9)(x - 1)$

Step-by-step explanation:

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