Answer:
(x-9)(8x+7)
Step-by-step explanation:*
You can rewrite this as 8x^2+7x-72x-63. Then you can rewrite this as x(8x+7)-9(8x+7). You can see (8x+7) is common so you can rewrite it as (x-9)(8x-&)
To cheack word,use FOIL.
8x^2+7x-72x-63=8x^2-65x-63.
