Question

(4x-3y) в квадрате
помогите срочно

Answer 1

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Answer 2

16x²-24xy +9y²

(4x)²-2•4 •3y+(3y)²

16x²-2•4x•3y+(3y)²

16x² = 24 xy + (3y) ²

16x²-24xy +9y²