document.write( "Question 53385: factoring (not using the quadratic equation!!)
\n" ); document.write( "x^2-20x+100\r
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\n" ); document.write( "\n" ); document.write( "6a^2-11a+3\r
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\n" ); document.write( "\n" ); document.write( "3a^2= 7a+6\r
\n" ); document.write( "\n" ); document.write( "x^2=2x+63\r
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Algebra.Com's Answer #35653 by Nate(3500)\"\" \"About 
You can put this solution on YOUR website!
x^2 - 20x + 100 ~> factors of \"a%2Ac\" that sum to \"b\" ~> -10 and -10
\n" ); document.write( "x^2 - 10x - 10x + 100
\n" ); document.write( "(x^2 - 10x) + (-10x + 100)
\n" ); document.write( "x(x - 10) - 10(x - 10)
\n" ); document.write( "(x - 10)(x - 10)
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\n" ); document.write( "6a^2 - 11a + 3 ~> factors of \"18\" that sum \"-11\" ~> -9 and -2
\n" ); document.write( "6a^2 - 9a - 2a + 3
\n" ); document.write( "(6a^2 - 9a) + (-2a + 3)
\n" ); document.write( "3a(2a - 3) - 1(2a - 3)
\n" ); document.write( "(3a - 1)(2a - 3)
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\n" ); document.write( "3a^2 = 7a + 6
\n" ); document.write( "3a^2 - 7a - 6 = 0 ~> factors of \"-18\" that sum to \"-7\" ~> -9 and 2
\n" ); document.write( "3a^2 - 9a + 2a - 6 = 0
\n" ); document.write( "(3a^2 - 9a) + (2a - 6) = 0
\n" ); document.write( "3a(a - 3) + 2(a - 3) = 0
\n" ); document.write( "(3a + 2)(a - 3) = 0
\n" ); document.write( "a = -2/3 and a = 3
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\n" ); document.write( "x^2 = 2x + 63
\n" ); document.write( "x^2 - 2x - 63 = 0 ~> factors of \"-63\" that sum to \"-2\" ~> -9 and 7
\n" ); document.write( "x^2 - 9x + 7x - 63 = 0
\n" ); document.write( "(x^2 - 9x) + (7x - 63) = 0
\n" ); document.write( "x(x - 9) + 7(x - 9) = 0
\n" ); document.write( "(x + 7)(x - 9) = 0
\n" ); document.write( "x = -7 and x = 9
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