Question

(iv) (-2x2 + xy - y2) (3x + 4y)​

Answer 1

Answer:

Step-by-step explanation:

= - 6x ^3 - 8 x^2 y + 3x^2 y + 4x y^2 - 3x y^2 - 4y ^3

= - 4y ^3 - 6x^3 - 5 x^2 y + x y^2

First do the product of both the terms

..... Then arrange them in like terms.......then add or sub according to the symbols......now you will get the answer......