Question

factorise:a^2-14a-15
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Answer 1

Answer:

So, here is the answer..

Answer 2

a^2 - 14a - 15
a^2 - 15a + 1a - 15 [splitting middle term]
(a^2 - 15a) + (1a - 15) [grouping]
a(a - 15) + 1(a - 15)
(a + 1) (a - 15)