Simplify the following polynomials
3+(-2)
-10x+16x
(b-2a) - (3b-4a)
2x+3y-5x+4xy+6y
3a+4a2+5ab2-2a2-3b2a
a-(3a-b)
a-(2b+3a)-(4a+5b)
3x(2x-5)
-a(2x-ay)
3x(2-3x+4x2)
(3x+7)(2x-5)
(x-5)(x+5)
(x+1)(x+2)(x+3)
(x-3)(x+4)(x-5)
(x2a-2xaya+y2a)(x2a+2xaya+y2a)