12x^3+10x^2-30x-25
W wjm11 Senior Member Joined Nov 13, 2004 Messages 1,417 May 23, 2010 #2 12x^3+10x^2-30x-25 Click to expand... These just come with practice. Pay close attention to "-" signs. 12x^3+10x^2-30x-25 = (2x^2)(6x + 5) - 5(6x + 5) = (2x^2 - 5)(6x + 5)
12x^3+10x^2-30x-25 Click to expand... These just come with practice. Pay close attention to "-" signs. 12x^3+10x^2-30x-25 = (2x^2)(6x + 5) - 5(6x + 5) = (2x^2 - 5)(6x + 5)
C caughn4 New member Joined May 23, 2010 Messages 10 May 23, 2010 #3 After factoring a polynomial completely, how do you tell if the polynomial is prime?
D Deleted member 4993 Guest May 24, 2010 #4 caughn4 said: After factoring a polynomial completely, how do you tell if the polynomial is prime? Click to expand... If you can factor a polynomial - that polynomial is NOT a prime.
caughn4 said: After factoring a polynomial completely, how do you tell if the polynomial is prime? Click to expand... If you can factor a polynomial - that polynomial is NOT a prime.
