book Maths Puzzle Numerical Ability

(X-1)(X2+2X-6) in the second () x square plus 2x -6

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book Other Question

Write as a single logarithm with coefficient 1, the expression:

2 log 5(small 5) x + ½ log5(small five)Square root x
solve the equation3(x-1)-2(2x)=-6