Question

-4x^3+2x^2+8x factor

Answer 1

GCD of all terms is 2x, so it can be
2x(................)
factor out of in bracket, and re-factor again!

Answer 2

can u do it ?

Answer 3

yea

Answer 4

go ahead, write ur answer

Answer 5

2x(-2x^2+x+4 is this right

Answer 6

for a moment, yess.. :)

Answer 7

now, factor out for term -2x^2+x+4 = (.......)(......)

Answer 8

ok this is were i get confused

Answer 9

you would use 2 right

Answer 10

ok, that is can not be factored :p
so, all factors just -2x(-2x^2+x+4)
u know, why it can not be factored ?

Answer 11

sorry, 2x(-2x^2+x+4)

Answer 12

ok u cant because it doesnt have the same coeff. to factor them together

Answer 13

how can you tell if it is prime or not

Answer 14

we just can solve by use quadratic formula :