exam
Maths Puzzle
Numerical Ability
-[(Neg.4+ Neg.8) x (neg. 3 - pos. 7] squared
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exam Other Question
7g + 14 - 5g = -8
This was on my test, I need to correct it but I can't figure it out:
Add and simplify.
2x^2 x 1
---- + ----- - -----
x^4-1 x^2-1 x-1