Factorise the following expressions.a^2-15a+36 with explanation. unwan – InterviewSolution

1.

Factorise the following expressions.a^2-15a+36 with explanation. unwanted answer will be reported..

Answer»

Step-by-step explanation:

a²-15a+36

=a²-12a-3a+36 ( by middle term SPILT )

=a(a-12) -3(a-12)

=(a-12) (a-3)

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