document.write( "Question 875488: Hey,\r
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document.write( "I'm on a question where you have to solve the question that a student has attempted but is wrong, I can't seem to find the problem. Are you able to help me please?\r
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document.write( "Here is a picture of the students workout and question.\r
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document.write( "http://gyazo.com/df24ccae44177730e6f7a41db326a995\r
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document.write( "Be much help, thank you. \n" );
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Algebra.Com's Answer #528212 by rothauserc(4718)![]() ![]() You can put this solution on YOUR website! This is a complete the square problem \n" ); document.write( "2x^2 +4x - 4 = 0 \n" ); document.write( "divide by 2 \n" ); document.write( "x^2 + 2x - 2 = 0 \n" ); document.write( "now add -2 to both sides of = \n" ); document.write( "x^2 +2x = 2 \n" ); document.write( "take 1/2 of 2 and square it, then add to both sides of = \n" ); document.write( "x^2 +2x + 1 = 3 \n" ); document.write( "(x +1)^2 = 3 \n" ); document.write( "take square root of both sides of = \n" ); document.write( "x+1 = square root(3) \n" ); document.write( "x = square root(3) - 1 \n" ); document.write( "x = +square root(3) - 1 \n" ); document.write( "x = -square root(3) -1 \n" ); document.write( "To the student, remember when completing the square to move the loose number (-2) to the right of the equal sign and square root means + or - square root \n" ); document.write( " \n" ); document.write( " |