exam
Maths Puzzle
Numerical Ability
(3x^2+4x-7)/(x-2)
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exam Other Question
Im stuck, please help it would be greatly appreciated.
Factor completely.
y^2 + 20y +96
5x + 4y - z = 1
2x - 2y + z = 1
-x - y + z = 2
solve each system using substitution