document.write( "Question 987508: The length of a rectangle is 3 ft
\n" ); document.write( " more than twice the width, and the area of the rectangle is 77 ft2
\n" ); document.write( ". Find the dimensions of the rectangle. \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "---once i start to work out the problem i get stuck at 2w^2+3w-77=0. I know 7*-11= -77 but do you not use the ac method to make it add up to 3? \n" ); document.write( "

Algebra.Com's Answer #608259 by josgarithmetic(39617) $\"\"$ $\"About$

You can put this solution on YOUR website!
L length
\n" ); document.write( "w width
\n" ); document.write( "Description: $\"L=2w%2B3\"$
\n" ); document.write( " $\"wL=77\"$ , the area.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " $\"w%282w%2B3%29=77\"$
\n" ); document.write( " $\"2w%5E2%2B3w=77\"$
\n" ); document.write( " $\"2w%5E2%2B3w-77=0\"$ \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "You have the right equation. Either solve by factoring or by direct use of the formula for solution of a quadratic equation. Maybe you need just to look at all the combinations for decomposing into factors!\r
\n" ); document.write( "\n" ); document.write( "

\r\n" );
document.write( "(2x  7)(x  11)\r\n" );
document.write( "or\r\n" );
document.write( "(2x  11)(x  7)\r\n" );
document.write( "

\r
\n" ); document.write( "\n" ); document.write( "Which will give you what you want? \n" ); document.write( "

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