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Maths Puzzle
Numerical Ability
Simplify the expression. Assume that all variables
represent nonzero integers.
[x(-3a - 2)]-4</sup></PRE>
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Can someone please show me how to do this:
(s+3)(s-3)
Can someone explain to me how to graph (x+2)²/9+(y-3)²/4=1 and other ellipses and how to find the equation of an ellipse from its graph?