The original area of a face would be a^2. Now that you added b to the edge, the new area of each face would be (a+b)^2. To find how much the are increased, subtract a^2 from (a+b)^2. So the answer is b(2a+b)
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1 answer:
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Answer:
x = 10/3
Step-by-step explanation:
Solve:
- 7x + 1 = 10x - 9
- 1 = 3x - 9 Isolate x
- 10 = 3x Isolate x
- x = 10/3
x =
-Chetan K