Question

quanto e (26x+36xy) . (12xy-2x+8x)

Answer 1

(26x + 36xy).(12xy - 2x + 8x)
(26x + 36xy).(12xy + 6x)

= 312 x²y + 156 x² + 432x²y² + 216x²y

= 528 x²y + 156x² + 432x²y²
= 4x² (132y + 39 + 108y²)
_____________________________________
528, 156, 432: 2
264, 78, 216: 2
132, 39, 108: 2
66, 39, 59: 2
33, 39, 59: 3 
11,13,59: 11
1,13,59: 13
1,1,59: 59
1,1,1