Question

8
® factorise
x² – 3x²-9x-5​

Answer 1

Answer:

6:8%686o ankiw kknjnj =0

Answer 2

-2x²-9x-5

x= -b+-√b²-4ac/2a. a=-2

b= -9

c=-5

x=9+-√(-9)²-4*-2*-5/2*-2

x=9+-√81-40/2*-2

x=9+-√41/-4

x=9+-√-10.25

hence the root of -10.25 is imaginary so root is imajinary