Question

factorizar 9(x+2)^2-169(x-y)^2

Answer 1

Respuesta:

9(x+2)²-169(x-y)²

3²×(x+2)²-13²×(x-y)²

(3(x+2))²- (13(x-y)) ²

(3(x+2)-13(x-y)) × (3(x+2)+13(x-y))

(3x+6 - 13x +13y) × (3x +6+13x-13y)

(-10x+6+13y)×(16x+6-13y)