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If (x – 3) is a factor of (x² + 4qx – 2q), then the value of q is:

If x + y + z = 9 and (x² + y² + z²) = 21, then find the value of (xy + yz + zx)

What is the HCF of (x³ + 3x² - x - 3) and (x³ + 4x² + x - 6)?

If 64x³ - 343y³ = (4x - Ay) X (Bx² + 49y² + Cxy), then find the value of 3 X (2A + 6B) - 2C.

x = 7 - 4√3 then the value of x³+1/x³ is equal to?

If x + y + z = 4, xyz = 6 & x² + y² + z² = 8 then find the value of x³ + y³ + z³.

If √p + (1/√p) = 12, then find the value of p + (1/p).

If x : y : z = 5 : 6 : 8, and (3x + 4z) = 188, then find the value of y.