exam
Maths Puzzle
Numerical Ability
Geomatry. If the sides of a square are decreased by 2cm, the area is decreased by 36cm^2. What were the dimensions of the original square?
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exam Other Question
I need to know how to rewrite quadratic functions in turning point form.
Reduce the fractions to lowest terms.
x^3+x^2+x+1/x^2-1