Factors.
102. Rational Expressions.
An expression is rational when none of its terms contain square or other roots.
103. Factors of Rational and Integral Expressions.
By factors of a given integral number in arithmetic we mean integral numbers that will divide the given number without remainder.
Likewise by factors of a rational and integral expression in algebra we mean rational and integral expressions that will divide the given expression without remainder.
104. Factors of Monomials.
The factors of a monomial may be found by inspection. Thus, the factors of are , , , , and .
105. Factors of Polynomials.
The form of a polynomial that can be resolved into factors often suggests the process of finding the factors.