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Let's Extend 1. Problem solving. Use the space provided for your solution. 1. A box is (4x + 1)cm by (x - 3)cm, what is the perimeter of the box? 2. What should be added to 2x3 + 4x2 - 3 to have a sum of 5x3 + 2x2 + 8. 3. Take away 4x2 + x - 4 from the sum of x3 + 5x2 - 3 and 3x2 + 4x + 2.​

Sagot :

Answer:

1).1024/7

2).4

I'm sorry Im not really sure about my answer