For number 1 all you have to do is add 6 to both sides of the equation. So -3+6= 3. The answer is positive 3. And for number 2 the answer is one.
Answer from: Quest
maximum area = xy = (16)(32) = 512 ft2
to maximize the area of the garden, the side of the fence parallel to the side of the house should be 32 ft long, and the other two sides should both have length 16 ft.'
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Answer from: Quest
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