Question

If x + y - z = 5, x^2 + y^2 + z^2 = 29, find the value of xy - yz – xz.​

Answer 1

Answer:

Army

Step-by-step explanation:

sorry I dont know...but seeing bts fan in brainly provoked me...new here and you are first Army I saw

Answer 2

Answer:

-2

Step-by-step explanation:

(X+y-z) ^2 = (x^2 + y^2 + z^2)+ 2(xy - yz -zx)

5^2 = 29+ 2(xy - yz -zx)

25-29 = 2(xy-yz-zx)

-4 = 2(xy-yz-zx)

Xy-yz-zx = -2