This is a true statement. An example of using this formula is attached
(x-h)^2+(y-k)^2=r^2
(x-0)^2+(y+2)^2=9^2
x^2+y^2+4+4y=81
x^2+y^2+4y-81+4=0
x^2+y^2+4y-77=0
2.49 and 2.51 :)
I hope it helped :)
Answer:
x=-2
Step-by-step explanation:
Let m=x

Expand the parentheses:

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