stelladaniel151206 stelladaniel151206

10-08-2020
Mathematics

contestada

(x-y)²-(x+y)² a)0 b)2y² c)-2y² d)-4xy e)-2(x+y)²

Respuesta :

eevah27 eevah27

10-08-2020

Answer:

D

Step-by-step explanation:

-4xy

will be your answer after factoring

Answer Link

jimrgrant1 jimrgrant1

10-08-2020

Answer:

d

Step-by-step explanation:

Given

(x - y)² - (x + y)² ← expand both factors using FOIL

= x² - 2xy + y² - (x² + 2xy + y²) ← distribute by - 1

= x² - 2xy + y² - x² - 2xy - y² ← collect like terms

= - 4xy → d

Answer Link

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