expand (5a/4+7b/3)^2
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Answer:
25a²/16 + 35ab/6 + 49b²/9
Step-by-step explanation:
(5a/4+7b/3)^2
because (a+b)²=a²+2ab+b²
therefore (5a/4+7b/3)^2= 25a²/16 + 35ab/6 + 49b²/9
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