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Basic Operations & Factorization
Linear Equations
Quadratic Equations

If x + y + z = 9  &  xy + yz + zx = 23,
then the value of (x3 + y3 + z3 - 3xyz) is :

A. 108
Posted in:  Basic Operations & Factorization -  Algebra -  Mathematics

If (x - 2) is a factor of (x2 + 3qx - 2q), then the value of q is :

D. -1
Posted in:  Basic Operations & Factorization -  Algebra -  Mathematics