exam Maths Puzzle Numerical Ability

If the sides of a square are decreased by 2 cm, the area is decreased by
36 cm2. What were the dimensions of the original square?

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exam Other Question

When the constraint 6x lower case 1+17x lower case 2 < or equal to 28 is converted to an equation, the equation is: Find a polynomial with leading coefficient 1 and degree 3 that has -1, 1, and 3 as roots.