Math, asked by parthchandan1997, 1 month ago

simplify- 15×3n+1 - 12×3n+1

21x3n - 18×3n

Answers

Answered by vigneshmsd007

1

Step-by-step explanation:

15(3n+1)- 12(3n+1)

=(3n+1)(15-12)

=3(3n+1)

21(3n)- 18(3n)

=3n(21-18)

=3(3n)

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