exam Maths Puzzle Numerical Ability

Solve for X

5/x-(2x) /x+2 = (x squared +10x+8 /(x squared +2x)

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exam Other Question

Find the horizontal asymptote, if any, of the graph of the rational function.

f(x)=8x/2x^2+1

a. y=1/4
b. y=0
c. y=4
d. no horizontal asymptote
Given the quadratic equation x^2+5x+3 whose roots are A and B, find without solving the roots, a quadratic equation with the values of:
1. 2A,2B
2. 3a-2, 3b-2
3. a+b, ab
4. a^2