Question

Subtract the sum of (3xy - x^2y^2) and (3x^2y^2 + xy - 5) from (-15xy + x^2y^2 + 7).​

Answer 1

Step-by-step explanation:

(-15xy + x^2y^2 + 7) - [(3xy - x^2y^2) + (3x^2y^2 + xy - 5)]

= (-15xy + x^2y^2 + 7) - (4xy + 2x^2y^2 - 5)

= -19xy - x^2y^2 + 12