Question

using factor method x square - 7 x - 18 / X - 9​

Answer 1

Answer:

x²-(9-2)x-18

=--------------------

x-9

x²-9x+2x-18

=------------------------

x-9

x(x-9)+2(x-9)

=----------------------

x-9

(x-9)(x+2)

=--------------------

( x-9)

=(x+2)