document.write( "Question 865809: the length of a rectangle is 5m more than 4 times its width. find the length and the width given that the area is 51m. \n" ); document.write( "

Algebra.Com's Answer #521880 by josgarithmetic(39617) $\"\"$ $\"About$

You can put this solution on YOUR website!
L=5+4w, wL=51.\r
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\n" ); document.write( "\n" ); document.write( " $\"w%284w%2B5%29=51\"$
\n" ); document.write( " $\"4w%5E2%2B5w-51=0\"$ . Try to factor, or....
\n" ); document.write( " $\"w=%28-25%2Bsqrt%2825%2B4%2A4%2A51%29%29%2F%282%2A4%29=%28-25%2Bsqrt%2825%2B16%2A51%29%29%2F8\"$
\n" ); document.write( " $\"w=%28-25%2Bsqrt%28841%29%29%2F8\"$
\n" ); document.write( " $\"w=%2829-25%29%2F8=4%2F8\"$
\n" ); document.write( " $\"highlight%28w=1%2F2%29\"$
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\n" ); document.write( "you can finish. \n" ); document.write( "

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