document.write( "Question 386780: Hello. Could someone please show me what the steps are to solve these problems ?\r
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document.write( "Solve for X\r
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document.write( "X^2 – 12 = -4x\r
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document.write( "X^2 – 81 = 0\r
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document.write( "Thank you so much. \n" );
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Algebra.Com's Answer #273371 by mananth(16946)![]() ![]() You can put this solution on YOUR website! Solve for X\r \n" ); document.write( "\n" ); document.write( "X^2 – 12 = -4x \n" ); document.write( "add +4x \n" ); document.write( "x^2+4x-12=0 \n" ); document.write( "x^2+6x-2x-12=0 \n" ); document.write( "x(x+6)-2(x+6)=0 \n" ); document.write( "(x+6)(x-2)=0 \n" ); document.write( "x=-6 OR x=2 \n" ); document.write( "...\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "X^2 – 81 = 0 \n" ); document.write( "(x)^2-(9)^2 \n" ); document.write( "difference of two squares formula \n" ); document.write( "a^2-b^2=(a+b)(a-b) \n" ); document.write( "(x+9)(x-9)=0 \n" ); document.write( "x=+/- 9 \n" ); document.write( "... \n" ); document.write( "m.ananth@hotmail.ca \n" ); document.write( " |