document.write( "Question 1121598: Hello! I need help converting these equations into factored form.
\n" ); document.write( "58. Convert each equation to factored form. \r
\n" ); document.write( "\n" ); document.write( "a) y = 4x – 20
\n" ); document.write( "b) y = x^2 - x – 12
\n" ); document.write( "c) y = 25x^2 – 36
\n" ); document.write( "d) y = -9x^2 + 72x + 81 \r
\n" ); document.write( "\n" ); document.write( "Thank you.
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Algebra.Com's Answer #737536 by ikleyn(52834)\"\" \"About 
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\n" ); document.write( "Hello! I need help converting these equations into factored form.
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document.write( "a) y = 4x – 20              y = 4x - 20 = 4*(x - 5)\r\n" );
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document.write( "b) y = x^2 - x – 12         y = (x-4)*(x+3)\r\n" );
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document.write( "c) y = 25x^2 – 36           y = (5x-6)*(5x+6)    <<<---=== use the formula  a*2 - b^2 = (a+b)*(a-b)\r\n" );
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document.write( "d) y = -9x^2 + 72x + 81     y = -9*(x^2 - 8x - 9) = -9*(x-9)*(x+1).\r\n" );
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\n" ); document.write( "\n" ); document.write( "Solved.\r
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