Question

find the value of expression 36 X square + 25 y square - 60 xy when x is equal to 2 upon 3 or y equal to 1 upon 5​

Answer 1

ANSWER = 25

Solution:-

36×2/3×2/3 + 25×1/5×1/5 + 60×1/5×2/3

25

Answer 2

Step-by-step explanation:

36×(2/3)^2+25×(1/5)^2-60×2/3×1/5

36×4/9 + 25×1/25 - 60×2/15

4×4 + 1×1 - 4×2

16 +1 -8

9