Question

Factorizar, ayuda por favor.​

Answer 1

-20xy + 4y² + 25x² =

= 4y² - 20xy + 25x²

= 2²y² - 20xy + 25x²

= 2²y² - 2 × 2y × 5x + 5²x²

= (2y)² - 2 × 2y × 5x + (5x)²

= (2y - 5x)²

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$\fcolorbox{violet}{pink}{ -- Answer By @balQis01 || Brainly -- }$