exam
Maths Puzzle
Numerical Ability
x=-2 and x=0
-3x^3+7x^2-3x-2
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exam Other Question
The surface area of a cube is the sum of the areas of the faces. Use exopents to write an expression for the surface area of the cube. (3sides-3cm)
tell whether the statement is true for all REAL numbers a,b,c.
PROBLEM:(a+b)+c=a+(b+c) and can you please explain how or why you came to the conclusion?