Emily wants to hang a painting in a gallery but the painting and frame must have an area of 31 square feet. The painting is 5 feet wide by 6 feet long. The frame must have an equal width of x on each side. Which quadratic equation represents the area of the painting and frame combined?

Question

anonymous · Answer

4x2 + 22x − 1 = 0 

 4x2 + 22x + 31 = 0 

 x2 + 11x − 1 = 0 

 x2 + 11x + 31 = 0

anonymous · Answer

then the width would be 5+2x and length would be 6+2x
multiple those together to get the area

and the area has to be equal to 31 ft^2

anonymous · Answer

do you understand where i got the length and width?

anonymous · Answer

yes

anonymous · Answer

a little