document.write( "Question 729072: square root of x+7=square root of 2x-3 (+2) not under the square root) \n" ); document.write( "

Algebra.Com's Answer #853827 by MathTherapy(10719) $\"\"$ $\"About$

You can put this solution on YOUR website!

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document.write( "square root of x+7=square root of 2x-3    (+2) not under the square root)\r\n" );
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document.write( "I don't know what \"X=507+338√2 ≈985.0042 from @lynnlo(4176) is all about.\r\n" );
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document.write( "square root of x+7=square root of 2x-3    (+2) not under the square root)\r\n" );
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document.write( "             --- Squaring both sides\r\n" );
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document.write( "                \r\n" );
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document.write( "              \r\n" );
document.write( "             ----- Squaring both sides\r\n" );
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document.write( "         \r\n" );
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document.write( "         \r\n" );
document.write( "     (x - 42)(x - 2) = 0\r\n" );
document.write( "      x - 42 = 0      OR     x - 2 = 0\r\n" );
document.write( "           x = 42     OR         x = 2\r\n" );
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document.write( "However, x = 42 is an EXTRANEOUS solution, so ONLY solution is: x = 2

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