Penjelasan dengan langkah-langkah:
x² + 4x = x
x² + 4x - x = 0
x² + (4 - 1)x = 0
x² + 3x = 0
(x + 0) (x + 3) = 0
x = 0 Atau x = -3
Hp : {-3 ,0}
___
Jay
" Life is not a problem to be solved but a reality to be experienced! "
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Penjelasan dengan langkah-langkah:
x² + 4x = x
x² + 4x - x = 0
x² + (4 - 1)x = 0
x² + 3x = 0
(x + 0) (x + 3) = 0
x = 0 Atau x = -3
Hp : {-3 ,0}
___
Jay