Question

using factorisation x^2 - x - 42 divided by x-7​

Answer 1

Answer:

x^2-x-42

=x^2-7x+6x-42

=x(x-7)+6(x-7)

=(x-7)(x+6)

so,x^2-x-42 divided by x-7 is

(x-7)(x+6)/(x-7)

=x+6