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Maths Puzzle
Numerical Ability
please solve the following inequalities as i am having some difficulties:
4x + 12 >= 36 + 4
8z + 4z < 6z - 12
thank you :)
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book Other Question
5x^4-12x^3=0
these exponents are blowing my mind.
Radical expressions
Three students were asked to simplify sqrt10 +sqrt50. Their answers were:
Sqrt10(1+sqrt5),
Sqrt10+5sqrt2, and
Sqrt2(5+sqrt5).
Which if any is correct?
Which is in simplest form?
Thanks so much