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Imaginary things
A rectangular piece of cardboard is 5 cm longer 
than it is wide. A 3 cm by 3 cm square is cut out 
of each corner, and the four sides are folded up to 
form an open box with a volume of 450 cm3. What 
were the length and width of the original piece of 
cardboard?
Simplify
Simplify
Simplify
Simplify
Create an equation with the given roots:
Exercise 17



It's all good

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