Question

(2) (4x - 9y) - (4x +9y) = ?
(a) 8x (b) 0 (c) 18y
(d) – 18y​

Answer 1

Answer:

4x-9y-4x+9y=0

so ans is 0

Answer 2

$\huge\underline\mathrm\blue{Answer}$

$= (4x - 9y) - (4x + 9y)$

$= 4x - 9y - 4x - 9y$

$= 4x - 4x - 9y - 9y$

$= 0 - 18y$

$\bold{ = - 18y}$

Hence Option-D is correct