1 Answers
দেওয়া আছে,
2a2 - 6a - 20
=2a2 - 10a + 4a - 20
=2a (a-5) +4 (a-5)
= (a - 5) (2a + 4)
= 2 (a - 5) (a + 2) ans.
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Answered
দেওয়া আছে,
2a2 - 6a - 20
=2a2 - 10a + 4a - 20
=2a (a-5) +4 (a-5)
= (a - 5) (2a + 4)
= 2 (a - 5) (a + 2) ans.