Question

Date
Verify
the identity (x-4) - 2 - 2xy + y for
x = 9, y = 14​

Answer 1

(x-4) - 2 - 2xy +y

(9-4) - 2 - 2×9×14 +14

(9-4) -2 - 266

5 -2 - 266

263 ans

Answer 2

Step-by-step explanation:

define variable:

Variable, In algebra, a symbol (usually a letter) standing in for an unknown numerical value in an equation. Commonly used variables include x and y (real-number unknowns), z (complex-number unknowns), t (time), r (radius), and s (arc length).