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Place the indicated product in the proper location on the grid. Place a 0 before the decimals. (0.1x + 0.4y)^2
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I don't see the grid
ща выставлю
хорошо, давай
_._1_ _ _ _ _0_ _y___1___ где бланк стоит там нужно так и в ставить тебе скрин кинуть чтоб понял?
кинь
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смотри
Все ясно. Используй формулу квадрата суммы: \[(a+b)^2 = a^2 + 2ab + b^2 \]
можешь решить?
\[(0.1x+0.4y)^2=(0.1x)^2+2(0.1x)(0.4y)+(0.4y)^2\]
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Упрощая получаешь: \[0.01x^2+0.08xy+0.16y^2\]
Это и есть твой ответ
спс
пожалуйста
here medal ;)
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