Question

Find the value of ( x^2-2xy +y^2)(x-2y) at x =3 & y =2o​

Answer 1

ANSWER

-10693

Step-by-step explanation:

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

=> (3^2-2*3*20+20^2)(3-2*20)

=> (9-120+400)(3-40)

=> (409-120)(-37)

=> (289)(-37)

=> -10693