document.write( "Question 56288: please help i do not know how to convert this problem.\r
\n" ); document.write( "\n" ); document.write( "Perimeter of a rectangle
\n" ); document.write( "The width of the rectangular play ground is 2x-5 feet, and the length is 3x+9 feet. Write a polynomial p(x) that represents the perimeter and then evaluate this perimeter polynomial if x is 4 feet.
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Algebra.Com's Answer #38233 by Cintchr(481)\"\" \"About 
You can put this solution on YOUR website!
P(x) = 2 ( l + w )
\n" ); document.write( "l = 3x+9
\n" ); document.write( "w = 2x-5
\n" ); document.write( "x = 4
\n" ); document.write( "DO NOT plug x in yet. Even though this is a simple number, sometimes you will have a fraction or a decimal to plug in, and it is easier to combine like terms and multiply once, than to multiply several times and then add.
\n" ); document.write( "\"+P%28x%29+=+2+%28+3x+%2B+9+%2B+2x+-5+%29+\"
\n" ); document.write( "First combine like terms
\n" ); document.write( "\"+P%28x%29+=+2+%28+5x+%2B+4+%29+\"
\n" ); document.write( "Disxribute
\n" ); document.write( "\"+P%28x%29+=+10x+%2B+8+\"
\n" ); document.write( "NOW plug in the x
\n" ); document.write( "\"+P%284%29+=+10%284%29+%2B+8+\"
\n" ); document.write( "Multiply
\n" ); document.write( "\"+P%284%29+=+40+%2B+8+\"
\n" ); document.write( "\"+P%284%29+=+48+\"
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