Question

multiple and verify your answer when x =1,z=3,Y=2 (i) ( x - 2 Y)(3x2 +2xy -y 2) step by step plzz( jaldii )​

Answer 1

Step-by-step explanation:

x=1, z=3 , Y=2

(i) (x-2Y) (3x+2xy-y²)

(1-2(2) ( 3(1)²+2(1) (2) - (2)²

(1-4) ( 3+4-4)

(-3) (3)

=-9