Question

7. If 9x^2+ 25y^2 = 181 and xy=-6, find the value of 3x + 5y​

Answer 1

Answer:

-8

Step-by-step explanation:

xy = -6

x=2

y=-3

because xy=-6

so, x*y=-6

2*-3=-6

now subsistude the value in the given experstion

3x+5y

3*2+5*-3=6+-15=-8

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Answer 2

Answer:

the final answer is 1. Don't forget to follow.