Math, asked by Nikict27, 1 year ago

solve 7 (a+d)(a+2d) explain step by step

Answers

Answered by twilight701

3

7(a+d)(a+2d)

=(7a+7d)(a+2d)

=7a(a+2d)+7d(a+2d)

=7a²+14ad+7ad+14d²

=7a²+21ad+14d²

Dividing by 7

We get

=a²+3ad+2d²

Nikict27: is it correct?

sriraam12345: it is correct

sriraam12345: you cannot divide by 7 because variables ar different and + sign is in front of the nymbers

Nikict27: yes

sriraam12345: ok

twilight701: Ok then the answer is 7a²+21ad+14d²

twilight701: But check ur answer ,it's wrong

7moonfires: U can simplify even if there is a + sign in the middle

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