Mathematics
Mathematics, 21.07.2020 20:01, ghernadez

(2x + y)2 = = (2x)2 + 2 · 2x · y


(2x + y)2 = = (2x)2 + 2 · 2x · y

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(2x + y)2 = = (2x)2 + 2 · 2x · y
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