Question

please solve b. maths​

Answer 1

Answer:

the answer is 84

Step-by-step explanation:

x+y+z=14

b)x^3+y^3+x^3-3xyz

take 3 as common

3 (x+y+z-xyz)

3 (14+14+14-14)

3(42-14)

3(28)

84