exam Maths Puzzle Numerical Ability

how do you do partial fraction decomposition?? Like on a problem such as: 1/(x^2+x)???

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exam Other Question

Solve the equation:

3(x-0.87) -2x = 4.98

What I got:

3x-2.61-2x = 4.98
1x-2.61 = 4.98
1x-2.61+2.61 = 4.98+2.61
1x = 7.59
1x/1 = 7.59/1
x = 7.59 A MAN HAS THREE COINS. ONE COIN HAS BEEN SPECIALLY MADE AND HAS A HEAD ON EACH SIDE. A SECOND COIN HAS BEEN SPECIALLY MADE AND ON EACH SIDE IT HAS A TAIL. FINALLY, A THIRD COIN HAS