Ola Keyla
(x - y)² = x² - 2xy + y²
(x + y)² = x² + 2xy + y²
pronto
(x-y)² = x²+2xy+y²
(x+y)² = x²+2xy+y²
(x+y)(x-y) = x² - y²
Até!
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Answers & Comments
Ola Keyla
(x - y)² = x² - 2xy + y²
(x + y)² = x² + 2xy + y²
pronto
(x-y)² = x²+2xy+y²
(x+y)² = x²+2xy+y²
(x+y)(x-y) = x² - y²
Até!