Question

Factorise : x² - 10x + 21

Answer 1

Step-by-step explanation:

x^2 - (7+3)x + 21

x^2 - 7x - 3x + 21

x (x-7) - 3 (x-7)

(x-3) (x-7).

This is the correct answer..

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Answer 2

Mark me as a brainlist.............