Find the x-intercepts of f(x) = x^2 + 18x
F freddie New member Joined Mar 9, 2007 Messages 2 Mar 9, 2007 #1 Find the x-intercepts of f(x) = x^2 + 18x
M Mrspi Senior Member Joined Dec 17, 2005 Messages 2,128 Mar 9, 2007 #2 Once you have 0 = x<SUP>2</SUP> + 18x you could FACTOR the right side by removing a common factor of x: 0 = x(x + 18) Now....set each factor equal to 0 and solve for x.
Once you have 0 = x<SUP>2</SUP> + 18x you could FACTOR the right side by removing a common factor of x: 0 = x(x + 18) Now....set each factor equal to 0 and solve for x.