document.write( "Question 660595: I dont know how to write this but I will try, I am struggling to get pass my algebra class, The question I have is
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document.write( "x+1=9x^3+9x^2\r
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document.write( "also I have a problem I dont know how to type it but I will try
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document.write( "it has the radical equation sign I think its called it look like the old division like a check mark so it is that under it is x+10 than =x-2. Could you please help me
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document.write( "Thank You
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document.write( "Debbie \n" );
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Algebra.Com's Answer #411277 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! x+1=9x^3+9x^2 \n" ); document.write( "9x^3+9x^2-x-1 = 0 \n" ); document.write( "Factor: \n" ); document.write( "9x^2(x+1)-(x+1) = 0 \n" ); document.write( "(x+1)(9x^2-1) = 0 \n" ); document.write( "(x+1)(3x-1)(3x+1) = 0 \n" ); document.write( "x = -1 or x = 1/3 or x = -1/3 \n" ); document.write( "=========================================== \n" ); document.write( "also I have a problem I dont know how to type it but I will try \n" ); document.write( "it has the radical equation sign I think its called it look like the old division like a check mark so it is that under it is x+10 than =x-2. \n" ); document.write( "----- \n" ); document.write( "sqrt(x+10) = x-2 \n" ); document.write( "---- \n" ); document.write( "Square both sides to get: \n" ); document.write( "x+10 = x^2 -4x + 4 \n" ); document.write( "Simplify: \n" ); document.write( "x^2 - 5x -6 = 0 \n" ); document.write( "Factor: \n" ); document.write( "(x-6)(x+1) = 0 \n" ); document.write( "x = 6 or x = -1 \n" ); document.write( "======================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |