# Simplifying Rational Expressions

### by Camri and Andria

a rational expressions can be expressed as quotient of 2 polynomial

your denominator CANT equal 0, Excluded value of x make denominator

Your message...

so first you would factor out m^2-6m-27 which gives you (M-3)(M-9)

next factor M^2-12m+27 which and end up with (M+3)(M-9)

the nines cross out so your final answer is M-3 OVER M+3