Question

my friend needs help plz explain how to solve thanks i need help with this -Some steps to rewrite the expression x3 - 9x + x2 - 9 as a product of three factors are shown below:

Step 1: x3 - 9x + x2 - 9
Step 2: x3 + x2 - 9x - 9
Step 3: x2(x + 1) - 9(x + 1

Answer 1

will get fan and medal

Answer 2

@nono266

Answer 3

hold on

Answer 4

\(\bf x^3 - 9x + x^2 - 9 \implies (x^3 - 9x) + (x^2 - 9)\)

if you take common factor on the 1st group, what would you end up with?