Question

if x:y = 5:6 then (3x² -2y²):(y²-x²)=?​

Answer 1

Answer:

(3x^2-2y^2):(y^2-x^2)=3:11

Answer 2

Answer:

x/y=5/6

so, x=5, y=6

(3x² -2y²):(y²-x²)=?

(3(5)²-2(6)²):(6²-5²)

(3(25)-2(36):(36-25)

(75-72):11

3:11