Question

x²-y²=180 and x²=8y so , what is the value of x and y​

Answer 1

Answer:

y=18,-10

Step-by-step explanation:

x^2-y^2=180

x^2=8y

8y-y^2=180

0=180+y^2-8y

y^2-8y-180=0

(y-18)(y+10)=0

y=18,-10