SOLUTION: Write the algebraic equation for this: one side of a rectangle is 7 feet longer than the width, and the area is 78 square feet.

Algebra ->  Rectangles -> SOLUTION: Write the algebraic equation for this: one side of a rectangle is 7 feet longer than the width, and the area is 78 square feet.       Log On


   

Question 953069: Write the algebraic equation for this: one side of a rectangle is 7 feet longer than the width, and the area is 78 square feet.
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
LET X BE THE WIDTH
LET X+7 BE HE LENGTH
X(X+7)=78
X^2+7X=78 ANS.