document.write( "Question 228120: find all real solutions of the following equations by using the quadratic formula.\r
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document.write( "1. xSQUARED-6x+8=0
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document.write( "2. xSQUARED-2x=15
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document.write( "3. xSQUARED-8x=-16
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document.write( "4. xSQUARED+10x+25=0\r
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document.write( "thank you for answering. \n" );
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Algebra.Com's Answer #169434 by mangeshpjoshi(15)![]() ![]() You can put this solution on YOUR website! x^2-6x+8=0 \n" ); document.write( "x^2-4x-2x+8=0 try to distribute 6 into such 2 parts so that sum =-6 and multiplication = +8 \n" ); document.write( " x(x-4-2(x-4)=0 \n" ); document.write( "(x-4)(x-2)=0 \n" ); document.write( "x=4 or x=2 is the answer to first question \r \n" ); document.write( "\n" ); document.write( "2)x^2-2x=15 \n" ); document.write( "x^2-5x+3x-15=0 \n" ); document.write( "x(x-5)+3(x-5)=0 \n" ); document.write( "(x-5)(x+3=0 \n" ); document.write( "x=5 or x=-3 \n" ); document.write( " solution to this\r \n" ); document.write( "\n" ); document.write( "3)x^2-8x+16=0 \n" ); document.write( "x^2-4x-4x+16=0 \n" ); document.write( "x(x-4)-4(x-4)=0 \n" ); document.write( "(x-4)(x-4)=0 \n" ); document.write( "x=4 is uniform answer\r \n" ); document.write( "\n" ); document.write( "4)x^2+10x+25=0 \n" ); document.write( "x^2+5x+5x+25=0 \n" ); document.write( "x(x+5)+5(x+5)=0 \n" ); document.write( "(x+5)(x+5)=0 \n" ); document.write( "x=-5 uniform soultion\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |