document.write( "Question 399331: Solve quadratic equation using the following steps x2 =12x -64 = 0
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document.write( "a) Move the constant term to the right side of the equation\r
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document.write( "b) Multiply each term in the equation by four time the coefficient of the x2 term\r
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document.write( "c) Square the coefficient of the original x term and add it to both sides of the equation\r
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document.write( "d) Take the square root of both sides\r
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document.write( "e) Set the left side of the equation equal to the negative square root on the right side of the equation and solve for x \n" );
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Algebra.Com's Answer #282781 by mananth(16946)![]() ![]() You can put this solution on YOUR website! x^2+12x-64=0 \n" ); document.write( "x^2+12x=64 \n" ); document.write( "add 36 \n" ); document.write( "x^2+12x+36=64+36 \n" ); document.write( "(x+6)^2=100 \n" ); document.write( "(x+6)^2=10^2 \n" ); document.write( "take the square root \n" ); document.write( "x+6=+/-10 \n" ); document.write( "x=10-6 \n" ); document.write( "x=4 \n" ); document.write( "OR \n" ); document.write( "x= -10-6 \n" ); document.write( "x=-16 \n" ); document.write( " |