Question

If A = 7x + 5xy - 9 , B = - 4 + xy + 5 and C=4 - 3 - 6xy, 2 y 2 x 2 y 2 y 2 x 2 then show that A + B + C = 0

Answer 1

Answer:

The question either needs to have the values of x or maybe it's wrong. I'm not sure of the value of A+B+C being 0, because it's coming 7(x-1)