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Algebra 45 Online
OpenStudy (anonymous):

Medal!!

OpenStudy (anonymous):

Tabitha wants to hang a painting in a gallery. The painting and frame must have an area of 58 square feet. The painting is 7 feet wide by 8 feet long. Which quadratic equation can be used to determine the thickness of the frame, x?

OpenStudy (anonymous):

@greenglasses

OpenStudy (anonymous):

@texasgal

OpenStudy (anonymous):

@poopsiedoodle

OpenStudy (anonymous):

OpenStudy (anonymous):

@Ashleyisakitty

OpenStudy (anonymous):

x2 + 15x - 2 = 0 x2 + 15x + 58 = 0 4x2 + 30x - 2 = 0 4x2 + 30x + 58 = 0

OpenStudy (anonymous):

@akiramidnight

OpenStudy (anonymous):

You want the area of the outer rectangle in your diagram to be 58. The area of this outer rectangle is equal to its length times its width. The length is equal to 8+2x, and the width is equal to 7+2x. So the area, which is supposed to be 58, is \[58=(8+2x)(7+2x)\] Which you can expand out to get a polynomial.

OpenStudy (anonymous):

Not sure but I think it would be B OR D

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