Seudónimo Seudónimo
  • 01-05-2017
  • Mathematics
contestada

can someone help with this question ??
fully factorise x^2+ 9x +18

Respuesta :

irspow
irspow irspow
  • 01-05-2017
This is of the form ax^2+bx+c, you must find two values, j and k, that satisfy two conditions:

jk=ac=18 and j+k=b=9, so j and k must be 3 and 6, and the factors then must be:

(x+3)(x+6)


Answer Link

Otras preguntas

Was the Gold Rush a good or bad thing for the United States?
What is Sir Francis Drake hardships
Trying to translate word problems. Five times the sum of 3 and twice some number is 70. what is the number?
is it possible for a distance versus-time graph to be a vertical line?
is it possible for a distance versus-time graph to be a vertical line?
Why is RNA necessary to act as messenger?
What is two thirds minus six thirds
What is Sir Francis Drake hardships
two identical freight cars roll without friction towards each other on a level track. one car rolls 2 m/s the other 1 m/s. after the cars collide they couple an
two identical freight cars roll without friction towards each other on a level track. one car rolls 2 m/s the other 1 m/s. after the cars collide they couple an