( 3x + 2y)2 + (3x-22y)² simplify
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Answer:
18x^2 + 488y^2 - 110xy.
Step-by-step explanation:
9x^2+ 4y^2+ 12xy + 9x^2+484y^2 -132xy
18x^2 + 488y^2 - 110xy.
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