Question

please solve this sum​

Answer 1

Answer:

Step-by-step explanation:

3x+5y=here (xy=-6;x=-3&y=-2)

So. 3x+5y=3*-3+5*-2

-9+-10=-19

Answer 2

9x2 + 25y2 = 181 xy=-6

(a+b)^2=a^2 + b^2 + 2ab

(3x+5y)2 = 181 -12

3x + 5y =√169

3x + 5y = 13