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Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?

Find the dimensions of the circle. area = 64π in.² r= in.

Multiply and simplify. (x - 4) (x^2 – 5x – 6) i will mark brainliest if your answer is right. show how you got the answer. if your answer is correct but does not show how you got the answer you will not be marked brainliest.