Question

Factorise.
x² - 10× + 9

Answer 1

Answer:

(x-9)(x-1)

Step-by-step explanation:

x²-10x+9

=x²-9x-1x+9

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

(x-9)(x-1)   ANS

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Answer 2

Answer:

Therefore x=9 or 1

I used Quadratic formula method to solve.

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