what are zeros of polynomial x² + 3x -4
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x² + 3x - 4 = 0
x² + 4x - 1x - 4 = 0
x ( x + 4 ) -1 ( x + 4 ) = 0
( x - 1 ) ( x + 4 ) = 0
x = 1 , -4 ➡ Answer
x² + 4x - 1x - 4 = 0
x ( x + 4 ) -1 ( x + 4 ) = 0
( x - 1 ) ( x + 4 ) = 0
x = 1 , -4 ➡ Answer
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