Question

this is MCQ'S ONLY OK​

Answer 1

Answer:

b) (x-7) (x-3) is the answer

Answer 2

★ Answer ★

x² - 10x + 21

= x² - 3x - 7x + 21

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

= (x - 7) (x - 3)

∴ Option (B).

Regards,

CreativeAB

• The Genius •