Answer:
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Step-by-step explanation:
Equation of a cirlce:
(x - h)^2 + (y-k)^2 = r ^2 center is (h,k) radius is r
for this circle h, k = (-2,-1) and radius = 7
so the equation is
(x - -2) ^2 + ( y - -1)^2 = 7^2 expand and re-arrange
x^2 + +4x + 4 + y^2 + 2y + 1 - 49 = 0 simplify
x^2 + y^2 + 4x + 2y - 44 = 0
