Explicación paso a paso:
( 5y - 2 )² = 5y² - 2(5y)(2) + 2² = 5y² - 20y + 4
corona :b
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Explicación paso a paso:
( 5y - 2 )² = 5y² - 2(5y)(2) + 2² = 5y² - 20y + 4
corona :b