Question

x2—9x—36 solve problems ​

Answer 1

Answer:

Step-by-stelp explanation:let us first factorise x2-9x-36

Therefore x2-12x+3x-36

x(x-12) +3(x-12)

(x+3) (x-12)

Therefore

x+3=0 / x-12=0

x=-3 / x=+12