Question

If, x+y=5 and x-y=-1 then, what is the value of 8xy(x²+y²)


plz answer...​

Answer 1

Step-by-step explanation:

Answer:-

__________

adding both the equations we get

• x + y =5
• x - y = 1

______

• 2x = 6
• x = 3

replacing value of x in equation

• x + y = 5
• 3 + y = 5
• y = 2

putting the two values in the req eq

• 8xy(x2 + y2)
• 8(3)(2)[9 + 4]
• 48 * 13
• = 624

hope this helps you ☺️

Answer 2

Answer:

624 is the correct answer