document.write( "Question 661099: Determine the solution set of (x + 2)2 = 36.\r
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document.write( "{6, -8}
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document.write( "{4, -8}
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document.write( "{4, -6} \n" );
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Algebra.Com's Answer #411493 by colliefan(242)![]() ![]() ![]() You can put this solution on YOUR website! What you need to remember is that a positive number and it's additive inverse both give you the same number when they are squared. Eg; 4 and -4 both give you 16 when they are squared.\r \n" ); document.write( "\n" ); document.write( "The square root of 36 is 6. The solutions for x then must be either 6 squared or -6 squared. \r \n" ); document.write( "\n" ); document.write( "x+2=6 and x+2=-6 then are equations that give the two solutions.\r \n" ); document.write( "\n" ); document.write( "x+2=6 \n" ); document.write( "x=4\r \n" ); document.write( "\n" ); document.write( "x+2=-6 \n" ); document.write( "x=-8\r \n" ); document.write( "\n" ); document.write( "(4,-8) \n" ); document.write( " |