document.write( "Question 86861: f(x) = xsquared - x - 2 if f = 0,-2,1 I think i have to put the o and -2 and 1 where the x is and then do the equation but when I have a -2 and i subsitute it where their is a minus x then do I add the 2 \n" ); document.write( "
Algebra.Com's Answer #62821 by Nate(3500)![]() ![]() ![]() You can put this solution on YOUR website! If you get caught up in all the sign changes, I advise to use paranthesis. \n" ); document.write( "f(x) = x^2 - x - 2 \n" ); document.write( "f(x) = (x)^2 - (x) - 2 \n" ); document.write( "~ \n" ); document.write( "If: f(x) = 0,-2,1 \n" ); document.write( "0 = (x)^2 - (x) - 2 \n" ); document.write( "-2 = (x)^2 - (x) - 2 \n" ); document.write( "1 = (x)^2 - (x) - 2 \n" ); document.write( "~ \n" ); document.write( "If: x = 0,-2,1 \n" ); document.write( "f(0) = (0)^2 - (0) - 2 = -2 \n" ); document.write( "f(-2) = (-2)^2 - (-2) - 2 = 4 + 4 - 2 = 6 \n" ); document.write( "f(1) = (1)^2 - (1) - 2 = 1 - 1 - 2 = -2 \n" ); document.write( " |