Math, asked by ajaygurjar9617409265, 7 months ago

10. Expand (9A+3B+2C)(9A+3B+2C)

Answers

Answered by venkannajetti3

0

Step-by-step explanation:

9A (9A+3B+2C)+3B (9A+3B+2C)+2C(9A+3B+2C)

=81A^2+27AB+18AC+18AB+9B^2+6BC+18AC+6BC+4C^2

=81A^2+9B^2+4C^2+45AB+12BC+36AC

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