Math, asked by 7676975560, 2 months ago

Factorise the following
expression.
(i) 63a²- 1126
(ii) q?- 10q + 21

Answers

Answered by Neelam005

9

Step-by-step explanation:

q²-10q+21 = q²-7q-3q+21

= q(q-7) -3(q-7)

=(q-3) (q-7)

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