Math, asked by sweathakani, 3 months ago

(3x+9)² using indenity​

Answers

Answered by llMissDazzalingll
6

Step-by-step explanation:

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(3x+9)² {(a+b)2=a+b+2ab}

=(3x)²+9²+2×3x×9

=9x²+81+54x

Answered by verma5555awani
1

Step-by-step explanation:

hope it helps mark as brainliest

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