document.write( "Question 154309: What are the zeroes of this polynomial if b=-2: f(x)=x^2+2x+2b+bx? \n" ); document.write( "
Algebra.Com's Answer #113620 by stanbon(75887)\"\" \"About 
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What are the zeroes of this polynomial if b=-2: f(x)=x^2+2x+2b+bx?
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\n" ); document.write( "If b = -2 you get:
\n" ); document.write( "f(x) = x^2 + 2x -4 -2x\r
\n" ); document.write( "\n" ); document.write( "f(x) = x^2 -4\r
\n" ); document.write( "\n" ); document.write( "f(x) = (x-2)(x+2)\r
\n" ); document.write( "\n" ); document.write( "The zeroes are x = 2 and x = -2
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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