document.write( "Question 280987: to make a box top by cutting equal squares from the 4 corners of an 11 inch by 14 inch sheet of cardboard and folding up the sides,if the area of the base is to be 80 sq inches then what size sq should be cut from each corner. \n" ); document.write( "

Algebra.Com's Answer #204162 by checkley77(12844) $\"\"$ $\"About$

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(11-2x)(14-2x)=80
\n" ); document.write( "154-28x-22x+4x^2=80
\n" ); document.write( "4x^2-50x+154-80=0
\n" ); document.write( "4x^2-50x+74=0
\n" ); document.write( " $\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"$
\n" ); document.write( "x=(50+-sqrt[-50^2-4*4*74])/2*4
\n" ); document.write( "x=(50+-sqrt[2,500-1,184])/8
\n" ); document.write( "x=(50+-sqrt1,316)/8
\n" ); document.write( "x=(50+-36.277)/8
\n" ); document.write( "x=86.277/8
\n" ); document.write( "x=10.784 ans.
\n" ); document.write( "x=(50-36.277)/8
\n" ); document.write( "x=13.723/8
\n" ); document.write( "x=1,7154 ans. \n" ); document.write( "

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