Question

If
9x + 25y2=181 and xy=-6, find 3x+5y
​

Answer 1

(3x+5y)²=9x²+25y²+30xy

=181+30(-6)

=181-180=1

(3x+5y)=√1=±1

hope its help u ✌✌✌✌✌✌✌✌

Answer 2

hey!!

dude here is your answer✔️☺❤☺❤✔️❤☺✔️✔️❤

We know that

(a+b)²=a²+b²+2ab

(3x)²+(5y)²+2(3x)(5y)

(3x+5y)=9x²+25y²+30xy

181+30*-6

181-180

1

3x+5y = √1

Hope this will help you❤☺✔️❤☺❤✔️☺❤