Beginning Algebra
Identify the numerator and denominator in the expression 3x2+1x−4\(\frac{3x^2+1}{x-4}\).
Simplify the expression 4x36x2\(\frac{4x^3}{6x^2}\).
Find the domain exclusions for 2xx2+5x+6\(\frac{2x}{x^2+5x+6}\).
Simplify the rational expression x2−9x2−6x+9\(\frac{x^2-9}{x^2-6x+9}\) and state any domain restrictions.
Which statement correctly explains why (x+3)(x + 3) and (x−3)(x - 3) cannot be canceled termwise in a rational expression?
