4. Factoriza x² + y² - 5y(x² + y²).
a.
(x + y)²(1 - y5)
d.
(x² + y²)(-4y)
b. (x − y)(1 – 5y)
-
e.
(x² + y²)(1 − 5y)
c. (x + y)(1 – 5y)
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