exam
Maths Puzzle
Numerical Ability
Express in simplest form with rationalized denominators: sqrt 7 - sqrt 5 / sqrt 5 + 3 sqrt 7
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exam Other Question
Add or subtract as indicated. Simplify the result, if possible.
{4x/x + 5 + 20.x + 5}
{3x^ + 2x/x - 1 - 10x - 5/x - 1}
{x/x - 2 + x - 4/2 - x}
Factor each expression.
4(x+y)+t(x+y)