Question: Complete the square t o write the equation o f the sphere i n standard form. x 2 + y 2 + z 2 +

Complete the square to write the equation of the sphere in standard form.
x2+y2+z2+5x-2y+8z+21=0
Find the center and radius.
center ,(x,y,z)=(,)
radius
Complete the square t o write the equation o f

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