document.write( "Question 800361: A wooden frame surrounds a 5 inch by 7 inch photograph. The frame is the same width all the way around. How wide is the frame if it has an area of 32 square inches? \n" ); document.write( "

Algebra.Com's Answer #483043 by josmiceli(19441) $\"\"$ $\"About$

You can put this solution on YOUR website!
I can say:
\n" ); document.write( " $\"+%28+5+%2B+2x+%29%2A%28+7+%2B+2x+%29+-+5%2A7+=+32+\"$
\n" ); document.write( " $\"+35+%2B+14x+%2B+10x+%2B+4x%5E2+-+35+=+32+\"$
\n" ); document.write( " $\"+4x%5E2+%2B+24x+-+32+=+0+\"$
\n" ); document.write( " $\"+x%5E2+%2B+6x+=+8+\"$
\n" ); document.write( "Complete the square
\n" ); document.write( " $\"+x%5E2+%2B+6x+%2B+%286%2F2%29%5E2+=+8+%2B+%286%2F2%29%5E2+\"$
\n" ); document.write( " $\"+x%5E2+%2B+6x+%2B+9+=+8+%2B+9+\"$
\n" ); document.write( " $\"+%28+x+%2B+3+%29%5E2+=+sqrt%2817%29%5E2+\"$
\n" ); document.write( " $\"+x+%2B+3+=+sqrt%2817%29+\"$
\n" ); document.write( " $\"+x+=+sqrt%2817%29+-+3+\"$
\n" ); document.write( " $\"+x+=+4.123+-+3+\"$
\n" ); document.write( " $\"+x+=+1.123+\"$
\n" ); document.write( "The frame is 1.123 inches wide
\n" ); document.write( "-----------
\n" ); document.write( "check:
\n" ); document.write( " $\"+%28+5+%2B+2x+%29%2A%28+7+%2B+2x+%29+-+5%2A7+=+32+\"$
\n" ); document.write( " $\"+%28+5+%2B+2%2A1.123+%29%2A%28+7+%2B+2%2A1.123+%29+-+5%2A7+=+32+\"$
\n" ); document.write( " $\"+%28+5+%2B+2.246+%29%2A%28+7+%2B+2.246+%29+-+5.7+=+32+\"$
\n" ); document.write( " $\"+7.246%2A9.246+-+35+=+32+\"$
\n" ); document.write( " $\"+66.997+=+67+\"$
\n" ); document.write( "close enough\r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

\n" );