Question

a²-x²-9y²+4ab-6xy-4b²​

Answer 1

Respuesta:

A²-x²-9y²+4ab-6xy-4b²

a² +4ab - 4b² - (x² + 6xy +9y²)

a² +(4ab - 4b²) -(x+3y) (x+3y).

a² +4b(a - b) +(x+3y)(x+3y) R//.

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