document.write( "Question 622189: Someone help me figure out this problem please my teacher wants to know x1 and x 2 how do i find them and what are day please give me some steps\r
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\n" ); document.write( "\n" ); document.write( "Solve the equation x^2 - 8 x - 20=0 by completing the square.
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Algebra.Com's Answer #391187 by nerdybill(7384)\"\" \"About 
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x^2 - 8x - 20=0
\n" ); document.write( "x^2 - 8x = 20
\n" ); document.write( "take half 'b', square it, and add to both sides:
\n" ); document.write( "x^2 - 8x + 16 = 20 + 16
\n" ); document.write( "(x-4)(x-4) = 36
\n" ); document.write( "(x-4)^2 = 36
\n" ); document.write( "take the square root of both sides:
\n" ); document.write( "x-4 = +-6
\n" ); document.write( "x = 4+-6
\n" ); document.write( "x = {-2, 10}
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