Any domain that you like.
It can be the counting numbers, integers, rationals, reals or complex numbers. Or it can be a subset of any of them.
For example, the domain could be {-2, 7, 3.56}.
Chat with our AI personalities
(-3x - 1)(3x - 7)
13x + 7
if 3x+7 = 3 then 3x = 3-7 3x = -4 then, x = -4/3
4x plus 7 plus 3x equals 19 plus xx = 2
d/dx 2x2+3x+7=4x+3