Find the transformed equation of x^2-y^2+2x+4y=0 when the origin is shifted to the point (-1,2)
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x²- y² + 2x + 4y = 0 _ given equation
( -1 , 2 )
first -1
x²- y² + 2x + 4y = 0
(-1)²- ( -1)²+ 2 ( -1) + 4 ( -1) = 0
1+1 -2 -4 =0
2 -2 -4 = 0
-4 = 0
4
second 2
x²- y²+2x +4y = 0
(2)²-(2)²+2(2)+4(2) = 0
4 -4 +4 +8 =0
4+ 8=0
-12
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