Question

Find k if x²+(k-1)x +4=0

Answer 1

Answer:

$x {}^{2} + (k - 1)x + 4 = 0 \\ x {}^{2} + kx - x + 4 = 0 \\ x(x + k - 1) + 4 = 0 \\ x + k - 1 = 0 \\ k = 1 - x$

Answer 2

Step-by-step explanation:

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