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OpenStudy (anonymous):
The area of a poster board is x2 + 3x - 10 inches. The width is x - 2 inches. Find the dimensions of the poster board when x = 14.
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OpenStudy (anonymous):
Just plug in 14 instead of x and see what you get.
OpenStudy (anonymous):
i got 228
OpenStudy (anonymous):
The area is 228. Use it to find the dimensions.
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