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OpenStudy (anonymous):
Sarah wants to hang a mirror in her room but the mirror and frame must not have an area larger than 15 square feet. The mirror is 3 feet wide and 4 feet long. Which quadratic equation represents the area of the mirror and frame combined? (The frame must have equal width of x on each side.)
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OpenStudy (anonymous):
3x2 + 14x - 2 = 0 4x2 + 14x - 3 = 0 x2 + 12x - 14 = 0 2x2 + 7x - 14 = 0
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