SOLUTION: (3r+4s)^2 = thank you for help!!!
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Question 332720
:
(3r+4s)^2 = thank you for help!!!
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(3r+4s)^2
= (3r)^2 + 2(3r)(4s) + (4s)^2
= 9r^2 + 24rs + 16s^2
(