book Maths Puzzle Numerical Ability

x-1 divided by x squared + x-12 plus x-4 divided by x squared -9

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book Other Question

solve the equation graphically if possible.
x=4+y
y=3+x
thank you
kayla
A merchant purchased a jacket for $60 and then determined a selling price that equalled the purchase price of the jacket plus a markup that was 25 percent of the selling price. Du