Find the value of k if x - 1 is a factor of p(x) = 2x^2 - kx + √2

array(10) { [0]=> object(stdClass)#4324 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "CjKDhrIRZ0w" ["related_video_title"]=> string(51) "Find the equation of circle given the three points" ["posted_time"]=> string(21) "7 дней назад" ["channelName"]=> string(31) "Ser Jebby Differential Equation" } [1]=> object(stdClass)#4297 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "uUrpicDpiWs" ["related_video_title"]=> string(100) "Покушение на Зеленского / Предатель в Офисе президента" ["posted_time"]=> string(24) "12 часов назад" ["channelName"]=> string(10) "NEXTA Live" } [2]=> object(stdClass)#4322 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "kBxyn3IJa-c" ["related_video_title"]=> string(106) "MATHS-2B (7MARKS) S.T Integral 0 to π x sin^7x cos^6x dx,Evaluate Integral 0 to π x sinx/1+cos^2x dx" ["posted_time"]=> string(23) "6 часов назад" ["channelName"]=> string(17) "Math Skills Club " } [3]=> object(stdClass)#4329 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "1Or1NMGsL2A" ["related_video_title"]=> string(15) "Fun Math Clock!" ["posted_time"]=> string(19) "2 дня назад" ["channelName"]=> string(9) "Andy Math" } [4]=> object(stdClass)#4308 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "jXThxHw6RM8" ["related_video_title"]=> string(57) "When memorizing theorems becomes USELESS... (IMO Problem)" ["posted_time"]=> string(25) "2 недели назад" ["channelName"]=> string(9) "Steakmath" } [5]=> object(stdClass)#4326 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "l3q3ZAjftFM" ["related_video_title"]=> string(100) "The coordinates of the centre of a circle are (2a,a-7). Find the values of a if the circle passes..." ["posted_time"]=> string(25) "4 недели назад" ["channelName"]=> string(14) "Concept Bhawan" } [6]=> object(stdClass)#4321 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "SG42KjYDaKk" ["related_video_title"]=> string(111) "⚡️ Израиль и Иран завершили войну || Полное прекращение огня" ["posted_time"]=> string(24) "12 часов назад" ["channelName"]=> string(23) "Время Прядко" } [7]=> object(stdClass)#4331 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "3Z6pqwiKdYM" ["related_video_title"]=> string(152) "❗️ НОВОСТИ | ТРАМП УНИЗИЛ МЕДВЕДЕВА | УДАР ПО КРАСНОГОРСКУ | СВИНЬИ ЗАХВАТИЛИ ГОРОД" ["posted_time"]=> string(23) "5 часов назад" ["channelName"]=> string(37) "Популярная политика" } [8]=> object(stdClass)#4307 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "pe_ejTiIcSs" ["related_video_title"]=> string(53) "Похудей на 45 КГ, Выиграй $250,000!" ["posted_time"]=> string(19) "3 дня назад" ["channelName"]=> string(7) "MrBeast" } [9]=> object(stdClass)#4325 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "2q-XiuZxUh4" ["related_video_title"]=> string(63) "Лучший игрок всех времен и народов" ["posted_time"]=> string(24) "19 часов назад" ["channelName"]=> string(27) "Анатолий Шарий" } }