Question

find the zero of polynomial x sqare -x-42​

Answer 1

$x ^{2} - x - 42$

$x ^{2} - (7 - 6)x - 42$

$x ^{2} - 7x + 6x - 42$

$x(x - 7) + 6(x - 7)$

$(x + 6)(x - 6)$

Answer 2

Answer:

hope it will help u.........