Question

Hi. Please I need help with these questions.
It's urgent . 50pts.
No jokes. This time
Answer No 10and 11

Answer 1

next question

11)

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

$(x - 1)(x + k) = 0 \\ x = 1 \\ x = - k$

they are equal so both are one

then k = -1

be careful the answer of q 10 is in the pictures