document.write( "Question 123482This question is from textbook Algebra 2
\n" ); document.write( ": I need help with this problem. My math teacher goes very fast and I sometimes have a hard time keeping up. I do not know how to get the same number under the radical. I dont know how to make 1250 and 32 the same so that I can subtract 8 from 2. THANK YOU \n" ); document.write( "
Algebra.Com's Answer #90742 by ankor@dixie-net.com(22740)\"\" \"About 
You can put this solution on YOUR website!
I need help with this problem. My math teacher goes very fast and I sometimes have a hard time keeping up. I do not know how to get the same number under the radical. I dont know how to make 1250 and 32 the same so that I can subtract 8 from 2.
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\n" ); document.write( "I'm not sure what you mean here, assuming:
\n" ); document.write( "\"sqrt%281250%29+-+sqrt%2832%29\" =
\n" ); document.write( ":
\n" ); document.write( "Factor as much as we can here
\n" ); document.write( "\"sqrt%282%2A5%2A5%2A5%2A5%29+-+sqrt%282%2A2%2A2%2A2%2A2%29\" =
\n" ); document.write( ":
\n" ); document.write( "Use this to see how many square we have in there
\n" ); document.write( "\"sqrt%282%2A25%2A25%29+-+sqrt%282%2A4%2A4%29\" =
\n" ); document.write( ":
\n" ); document.write( "Factor out the square roots of the perfect squares:
\n" ); document.write( "\"5%2A5%2Asqrt%282%29+-+2%2A2%2Asqrt%282%29\" =
\n" ); document.write( "which is
\n" ); document.write( "\"25%2Asqrt%282%29+-+4%2Asqrt%282%29\" =
\n" ); document.write( ":
\n" ); document.write( "Now they are like terms so we an just subtract 4 from 25 and we have
\n" ); document.write( "\"21%2ASqrt%282%29\"
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\n" ); document.write( ":
\n" ); document.write( "We can check this on good calc like this
\n" ); document.write( "1st enter the original problem: \"sqrt%281250%29+-+sqrt%2832%29\" = 29.698..
\n" ); document.write( "then
\n" ); document.write( "Enter our solution: \"21%2Asqrt%282%29\" = 29.698.. also; proves our solution
\n" ); document.write( ":
\n" ); document.write( "Did this help you?
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