Question

(x.y)x(y-2x) para x=3 y=2

Answer 1

(x.y)x(y-2x) para x = 3 y = 2

x (x.y)(y-2x) → (x²y) (y - 2x)

= x²y² - 2x³y

→ (xy)² - (2x³y)

(3•2)² - (2•3³•2)

= 6² - (4•27)

= 36 - 108

= - 72