exam
Maths Puzzle
Numerical Ability
x over x^2+15x+56 - 1 over x^2+13x+42 =
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exam Other Question
Simplify
x^4 – 3x
3x - x^4
/x+4=3
This is what I did:
(/x+4)^2=3^2
x+8=9
x=1
Is this correct or did I miss a step?
Thank you!
ac