Question

Find k if (x-1) is the factor of x² + x + k
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Answer 1

Answer:

$\huge\underline{\overline {\mid {\bold{\red{ληsωεя}}\mid}}}$

$p(x) = {x}^{2} + x + k$

$g(x) = x - 1$

$= > x = 1$

${1}^{2} + 1 + k = 0$

$= > 2 + k = 0$

$= > k = - 2$