exam Maths Puzzle Numerical Ability

[0 1 -2][1 -3 0]
[5 3 -4]x[2 0 -1]
[-1 0 0] [0 1 -2]

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exam Other Question

7-2n=n-14 7. Ok this is impossibly hard for me. How do I complete this using factoring? Thank you so much.



18xy^3 + 3xy^2 - 10xy