Math, asked by anushka108, 1 year ago

factorise:-
a^2-23a+42

Answers

Answered by neha303

11

this is the answer wish it helped u

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Answered by RobotSingh

11

=a²-2a-21a+42
=a(a-2)-21(a-2)
=(a-2)(a-21)

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