document.write( "Question 312691: I need to simpfifly radical expressions(no calculator)\r
\n" ); document.write( "\n" ); document.write( "1. 2sqrt(75) + sqrt(108)\r
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\n" ); document.write( "\n" ); document.write( "2. sqrt(6)( sqrt(3)+5 sqrt(2) )\r
\n" ); document.write( "\n" ); document.write( "3. (3- sqrt(2)(3 + sqrt(2) )\r
\n" ); document.write( "\n" ); document.write( "4. 3 sqrt(2)
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\n" ); document.write( " 5+ sqrt(3)\r
\n" ); document.write( "\n" ); document.write( "5.sqrt(5x+1)+2=6\r
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\n" ); document.write( "\n" ); document.write( "please show me how you get thee answers
\n" ); document.write( "thank you! p.s. number 4. the --- is the division line
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Algebra.Com's Answer #223675 by ankor@dixie-net.com(22740)\"\" \"About 
You can put this solution on YOUR website!
I need to simplifly radical expressions(no calculator)
\n" ); document.write( "1. \"2sqrt%2875%29+%2B+sqrt%28108%29\"
\n" ); document.write( "Factor inside the radicals to reveal perfect squares
\n" ); document.write( "\"2%2Asqrt%2825%2A3%29+%2B+sqrt%2836%2A3%29\"
\n" ); document.write( "Extract the squares
\n" ); document.write( "\"5%2A2sqrt%283%29+%2B+6%2Asqrt%283%29\"
\n" ); document.write( "\"10%2Asqrt%283%29+%2B+6%2Asqrt%283%29\"
\n" ); document.write( "these are like terms so we just add them
\n" ); document.write( "\"16%2Asqrt%283%29\"
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\n" ); document.write( "2. \"sqrt%286%29%28+sqrt%283%29%2B5sqrt%282%29+%29\"
\n" ); document.write( "multiply what's inside the brackets
\n" ); document.write( "\"sqrt%286%2A3%29%2B5sqrt%286%2A2%29\"
\n" ); document.write( "\"sqrt%2818%29%2B5sqrt%2812%29\"
\n" ); document.write( "Factor to reveal perfect squares
\n" ); document.write( "\"sqrt%289%2A2%29%2B5sqrt%284%2A3%29\"
\n" ); document.write( "Extract those squares
\n" ); document.write( "\"3%2Asqrt%282%29%2B2%2A5sqrt%283%29\"
\n" ); document.write( "\"3%2Asqrt%282%29%2B10%2Asqrt%283%29\"
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\n" ); document.write( "3. \"%283-sqrt%282%29%29%2A%283%2Bsqrt%282%29%29\"
\n" ); document.write( "FOIL
\n" ); document.write( "\"9+%2B+3sqrt%282%29+-+3sqrt%282%29+-+2\"
\n" ); document.write( "Middle terms cancel
\n" ); document.write( "9 - 2 = 7
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\n" ); document.write( "4. \"%283sqrt%282%29%29%2F%285%2B+sqrt%283%29%29\"
\n" ); document.write( "multiply by the conjugate of the denominator over itself
\n" ); document.write( ":\"%283sqrt%282%29%29%2F%285%2B+sqrt%283%29%29\" * \"%285-sqrt%283%29%29%2F%285-+sqrt%283%29%29\" = \"%2815sqrt%282%29-3sqrt%283%2A2%29%29%2F%2825-3%29\" = \"%2815sqrt%282%29-3sqrt%286%29%29%2F%2822%29\"
\n" ); document.write( ":
\n" ); document.write( "5.\"sqrt%285x%2B1%29%2B2=6+\"
\n" ); document.write( "subtract 2 from both sides
\n" ); document.write( "\"sqrt%285x%2B1%29=4+\"
\n" ); document.write( "Square both sides
\n" ); document.write( "5x + 1 = 16
\n" ); document.write( "5x = 16 - 1
\n" ); document.write( "5x = 15
\n" ); document.write( "x = 3
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\n" ); document.write( "You can check solution in the original equation
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