Question

from the sum of x²+3xy-5 and -8x²-7yx+3, subtract -4x²+2xy-15

Answer 1

Step-by-step explanation:

Adding

x^2 + 3xy - 5

-8x^2 - 7xy + 3

_____________

-7x^2 - 4xy -2

- + 4x^2 +_2xy -+ 15

_____________

-3x^2 - 6xy + 13 (Ans)