Answer:
it's 7
Step-by-step explanation:
Solve the literal equation 2xy - xz = 4 for x
x = 4/(2y-z)
y =/ z/2
A polynomial with roots a and b is (x - a)(x - b).
(x - 2)(x - (-1))(x - 4) = 0
(x - 2)(x + 1)(x - 4) = 0
has roots 2, -1, and 4.
Answer: 20 over 7 units
Step-by-step explanation:
