document.write( "Question 1084659: Please help me solve this problem, and fill in the blanks?\r
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document.write( "Michael builds a rectangular deck with an area of 50 square feet. The area is represented by the expression given below.
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document.write( "x^2+5x\r
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document.write( "Find the width of the deck, and complete the given statements.
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document.write( "Step 1: x^2+5x=50
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document.write( "Step 2: x(x+5)=50 The length is x. What is the width? ___
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document.write( "Step 3: x^+5x-50=0
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document.write( "Step 4: (x+10)(x-5)=0\r
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document.write( "Because the length can't be ___, the length is 5, and the width is ___. \n" );
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Algebra.Com's Answer #698718 by Theo(13342)![]() ![]() You can put this solution on YOUR website! the area of the deck is 50 square feet.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "the area is represented by x^2 + 5x\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "your equation becomes x^2 + 5x = 50\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "subtract 50 from both sides of this equation to get x^2 + 5x - 50 = 0\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "factor this quadratic equation to get (x+10) * (x-5) = 0\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "your questions are:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Step 1: x^2+5x=50\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "correct.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Step 2: x(x+5)=50 The length is x. What is the width? ___\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "if the length is x, then the width has to be x + 5.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Step 3: x^2 + 5x - 50 = 0\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "correct.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Step 4: (x+10)(x-5)=0 \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "correct.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Because the length can't be ___, the length is 5, and the width is ___.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "your factors are (x+10) * (x-5) = 0\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "to make this equation true, either x+10 is equal to 0 or (x-5) is equal to 0, or both.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "set each factor equal to 0 and solve for x.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "with x + 10 = 0, solve for x to get x = -10\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "with x - 5 = 0, solve for x to get x = 5\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "the length of the rectangle has to be positive, so x can't be equal to -10, therefore x = 5.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x is equal to 5 which represents the length.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x+5 is equal to 10 which represents the width.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "length * width = 5 * 10 which is equal to 50 square feet.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |