A) 2X3 - 3X2 = X2(2X - 3)B)X2 + 5XY + X + 5Y= X(X + 5Y) + (X + 5Y)= (X...

Bài 2:a) 2x

³

- 3x

²

= x

²

(2x - 3)b)x

²

+ 5xy + x + 5y= x(x + 5y) + (x + 5y)= (x + 1)(x + 5y)c)x

²

- 36 + 4xy + 4y

²

= (x

²

+ 4xy + 4y

²

) - 36= (x + 2y)

²

- 6

²

= (x + 2y - 6)(x + 2y + 6)