exam Maths Puzzle Numerical Ability

Subtract and simplify

(8-v)/(v-2) - (4v-9)/(v-2)

i got -v+8/v-2 -4v-9/-v+2... do i go a step further? Is there a step beyond this?

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exam Other Question

Add. Simplify by collecting like radical terms if possible. Assume that all expressions under radicals represent non-negative numbers.

root( 3, y ) + root ( 6, y )
One half of the sum of a number and 6 is less than 25. What is the number?
Thank You