Chapter 4 Positive and Negative Numbers

Example 4_1 pgno:53

In [1]:
print("subtraction")
x=('x')#is polynomial functio with degree zero poly(0,'x');
b=('b')#is polynomial functio with degree zero poly(0,'b');
print "5*x-(-3*x)"
print "-2*b-(-4*b)"
subtraction
5*x-(-3*x)
-2*b-(-4*b)