document.write( "Question 931147: answer this please. a number is increased by two the square root of this result is less than the square root of half the number is 3. find the number. \n" ); document.write( "
Algebra.Com's Answer #565465 by ptfile(81)\"\" \"About 
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Let x = The Number\r
\n" ); document.write( "\n" ); document.write( "A number is increased by two the square root of this result is less than the square root of half the number is 3.
\n" ); document.write( " √(x+2)-√(x/2)=3
\n" ); document.write( " √(x+2)=√(x/2)+3
\n" ); document.write( " (√(x+2))^2=((√(x/2)+3)^2
\n" ); document.write( " x+2=x/2+6√(x/2)+9
\n" ); document.write( " 0 =-x-2+x/2+6√(x/2)+9
\n" ); document.write( " 0 =-x/2+6√(x/2)+7
\n" ); document.write( " 0 =-x/2+(6√(x/2))(√(2/2))+7
\n" ); document.write( " 0 =-x/2+6√2x/2+7
\n" ); document.write( " 0 =-x/2+6√2x/2+14/2
\n" ); document.write( " 0 =-x+6√2x+14
\n" ); document.write( " x-14 = 6√2x
\n" ); document.write( " (x-14)^2= (6√2x)^2
\n" ); document.write( " x^2-28x+196= 72x
\n" ); document.write( "x^2-28x+196-72x=0
\n" ); document.write( " x^2-100x+196=0
\n" ); document.write( "Use Quadratic formula to solve for x
\n" ); document.write( "\"x=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"
\n" ); document.write( "
\n" ); document.write( "\"x=%28100+%2B-+sqrt%2810000-784%29%29%2F%282%29+\"
\n" ); document.write( "\"x=%28100+%2B-+sqrt%289216%29%29%2F%282%29\"
\n" ); document.write( "\"x=%28100+%2B-+%2896%29%29%2F2\" \r
\n" ); document.write( "\n" ); document.write( "x=98
\n" ); document.write( "or
\n" ); document.write( "x=2\r
\n" ); document.write( "\n" ); document.write( "Substitute x for 98
\n" ); document.write( " √(98+2)-√(98/2)=3
\n" ); document.write( " √100-√49=3
\n" ); document.write( " 10-7=3
\n" ); document.write( " 3=3\r
\n" ); document.write( "\n" ); document.write( "Substitute x for 2
\n" ); document.write( "√(2+2)-√(2/2)=3
\n" ); document.write( " √(4)-√(1)=3
\n" ); document.write( " 2-1=3
\n" ); document.write( " 1=3\r
\n" ); document.write( "\n" ); document.write( "The number is 98.
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