document.write( "Question 447697: A rectangle has length x+3 and width x-5. Which equation below describes the area A of the rectangle in terms of x? \n" ); document.write( "
Algebra.Com's Answer #308162 by Leaf W.(135)![]() ![]() You can put this solution on YOUR website! Area = length * width \n" ); document.write( "length: x + 3 \n" ); document.write( "width: x - 5 \n" ); document.write( "A = (x + 3)(x - 5) \n" ); document.write( "Simplify (x + 3)(x - 5) using the FOIL method: \n" ); document.write( "1. First numbers: multiply the first number of each binomial together--x*x = \n" ); document.write( "2. Outer numbers: multiply the outer number of each binomial (out of the entire expression, the number farthest to the left (x) and the number farthest to the right (-5))--x*-5 = -5x \n" ); document.write( "3. Inner numbers: multiply the inner number of each binomial--3*x = 3x \n" ); document.write( "4. Last numbers: multiply the last number of each binomial--3*-5 = -15 \n" ); document.write( "==> Now, add all of the results together and combine like terms: \n" ); document.write( "Therefore, A = |