factorise them completely 3n² + 10n + 7
Answers
Answered by
5
Step-by-step explanation:
3n² + 10n + 7
=3n² + 3n + 7n + 7
=3n(n+1) +7(n+1)
=(3n+7)(n+1)
Answered by
4
Answer:
(3n+7)(n+1)
Step-by-step explanation:
3n²+10n+7
3n²+3n+7n+7. (3×7=21 =3×7)
3n(n+1)+7(n+1).
(3n+7)(n+1).
Hope it helps
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