गुणनखंड कीजिए।
(i) `x^(2)+xy+8x+8y` (ii) `15xy-6x+5y-2`
(iii) `ax+bx-ay-by` (iv) `15pq+15+9q+25p`
(v) `z-7+7xy-xyz`

Answer

(i)( `(x+8)(x+y)` (ii) `(3x+1)(5y-2)` (iii) `(a+b)(x-y)`
(iv) `(5p+3)(3q+5)` (v) `(z-7)(1-xy)`