SOLUTION: A square painting is surrounded by a 3 centimeter-wide frame. If the total area of the painting plus the frame is 961 sq cm, find the dimensions of the painting.

Question 980672: A square painting is surrounded by a 3 centimeter-wide frame. If the total area of the painting plus the frame is 961 sq cm, find the dimensions of the painting.
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
The painting is square of x for both width and length.

, the area of just the painting
, the area of frame and the painting

------Solve this equation.

, because it is a meaningful, POSITIVE value.
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