Ian wanted to build a dog pen for his new beagle. He used the wall of the house for one side. He bought 20 meters of fence to build the other 3 sides. Find the dimensions of the pen if the area is 48 square meters

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Look, when you want to do something like put it like x^2. x2 could mean x² or x₂. so to clear confusion, know the notation. to find the product multiply the x's and you get -8x and the y's and you get 6y. since it's all being multiplied it is just -8x6y, or answer a. although the better answer is -48xy(combining -8 and 6) because you should multiply constants whenever you can.