document.write( "Question 188965: Factor using GCF\r
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document.write( "1.k*k+7k-30\r
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document.write( "2. 2x*x+11x+5\r
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document.write( "3. The area of a rectangle is (8x*x+8x+2) cm. The width of the rectangle is (2x+1) cm. What is the length of the rectangle? \n" );
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Algebra.Com's Answer #141714 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Factor using GCF \n" ); document.write( "1.k*k+7k-30 \n" ); document.write( "= k^2 + 7k - 30 \n" ); document.write( "= (k+10)(k-3) \n" ); document.write( "------------------------- \n" ); document.write( "2. 2x*x+11x+5 \n" ); document.write( "= 2x^2 + 11x + 5 \n" ); document.write( "= 2x^2+ 10x + x + 5 \n" ); document.write( "= 2x(x+5)+(x+5) \n" ); document.write( "= (x+5)(2x+1) \n" ); document.write( "------------------------- \n" ); document.write( "3. The area of a rectangle is (8x*x+8x+2) cm. The width of the rectangle is (2x+1) cm. What is the length of the rectangle? \n" ); document.write( "----- \n" ); document.write( "Area/width = length \n" ); document.write( "(8x^2+8x+2)/(2x+1) = length \n" ); document.write( "[(2x+1)(4x+2)/(2x+1)] = length \n" ); document.write( "length = 4x + 2 \n" ); document.write( "===================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |