document.write( "Question 78041: f(x)=x^2-x \n" ); document.write( "
Algebra.Com's Answer #55940 by tutorcecilia(2152)\"\" \"About 
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f(x)=x^2-x [solve for the x-term]
\n" ); document.write( "0=x^2-x [set the equation equal to zero and factor]
\n" ); document.write( "0=(x)(x-1) [set each factor equal to zero and solve for the x-term]
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\n" ); document.write( "x=0
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\n" ); document.write( "or x-1=0
\n" ); document.write( "x=1
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\n" ); document.write( "check by plugging x=0 or x=1 back into the original equation and solve:\r
\n" ); document.write( "\n" ); document.write( "f(x)=x^2-x
\n" ); document.write( "f(0)=0^2-0
\n" ); document.write( "f(0)=0 [checks you]
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\n" ); document.write( "f(x)=x^2-x
\n" ); document.write( "f(1)=1^2-1
\n" ); document.write( "f(1)=1-1
\n" ); document.write( "f(1)=0 [also checks out]
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