exam
Maths Puzzle
Numerical Ability
how do you simplify polynomials?
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exam Other Question
Please help this is confusing to me.
Find a value for k so tha 9m^2 - kn^2 will have the factors 3m + 7n and 3m - 7n.
Solve the system of equation
5x+y=12
2x=3y-19