Which of the following is equal to the rational expression when x does not equal -3 x^2-9/x+3
Accepted Solution
A:
Answer:x - 3Step-by-step explanation:Given[tex]\frac{x^2-9}{x+3}[/tex]Note that x² - 9 is a difference of squares and factors asx² - 9 = (x + 3)(x - 3), thus[tex]\frac{(x+3)(x-3)}{x+3}[/tex] Cancel the x+ 3 factor on the numerator/ denominator leavingx - 3 ← in simplified form