document.write( "Question 795722: Can please help me solve this step by step?\r
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document.write( "Solve the following.
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document.write( "sqrt(x+4)=x+4 \n" );
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Algebra.Com's Answer #481238 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! Solve the following. \n" ); document.write( " \n" ); document.write( "Square both sides \n" ); document.write( " \n" ); document.write( "FOIL (x+4)(x+4) \n" ); document.write( "x + 4 = x^2 + 8x + 16 \n" ); document.write( "Combine like terms on the right \n" ); document.write( "0 = x^2 + 8x - x + 16 - 4 \n" ); document.write( "A quadratic equation \n" ); document.write( "x^2 + 7x + 12 = 0 \n" ); document.write( "Factors to \n" ); document.write( "(x+3)(x+4) = 0 \n" ); document.write( "Two solutions \n" ); document.write( "x = -3 \n" ); document.write( "x = -4 \n" ); document.write( ": \n" ); document.write( "You can check both these solutions in the original problem \n" ); document.write( " |