Answer :
xy=520 & y=x+6
xy = x*(x+6) = x^2 + 6x
x^2+6x-520 = 0
=> x = {-26, 20}
When x = -26, y = -20
x = 20, y = 26
xy = x*(x+6) = x^2 + 6x
x^2+6x-520 = 0
=> x = {-26, 20}
When x = -26, y = -20
x = 20, y = 26
Answer:
it was the answer the above comment
Step-by-step explanation: