find the square of :(7x+3y) plz say me fast those who say me fast and exactly right answer I give to him brainlist
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(7x + 3y)
=> (7x)² + 2. 7x. 3y + (3y)²
=> 49x² + 42xy + 9y²
Answered by
1
Answer :-
• (7x + 3y)²
=> (7x)² + (3y)² + 2. 7x.3y
=> 49x² + 9y² + 42xy
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