" 9.Find the value of the expression "(64x^(2)+81y^(2)+144xy)" ,when "x=11" and "y=(4)/(3)

find the value of the expression (64x^(2) + 81y^(2) + 144 xy) when x = 11 and y = (4)/(3)

Find the value of the expression (81 x^(2) + 16 y^(2) - 72 xy) when x = (2)/(3) and y = (3)/(4)

Find the value of the expression (36x^(2) + 25y^(2) - 60 xy) , when x = (2)/(3) and y = (1)/(5)

Find the value of the expression 25 x^(2) + 9y^(2) + 30 xy . When x = 8 and y = 10.

When x = (1)/(9) and y = (-3)/(4) , then the value of the expression 81x^(2) +16y^(2) -72xy is

Find the values of the following expressions: 16x^(2)+24+9, when x=(7)/(4)64x^(2)+81y^(2)+144xy, when x=11 and y=(4)/(3)81x^(2)+16y^(2)-72xy, when x=(2)/(3) and y=(3)/(4)

Factorise : 64 x^(2) - 81y^(2)

When x = (1)/(9) and y = (-3)/(4), then the value of the expression 81 x ^(2) + 16 y ^(2)- 72 xy is

Simplify and find the value of the simplified expression when x=-1 and y=2. 3(2x^2-4y^2)- [7xy-[3(x^3-2y^2)-2xy)]