3
(3x + 4)(3x + 4)
3x^2 + 4x, among many others.
(3x + 4)(2x - 1)
72-4*3*4 = 1
3
(3x + 4)(3x + 4)
False
3x^2 + 4x, among many others.
5x(3x+4)
7
(3x + 4)(2x - 1)
72-4*3*4 = 1
-5*2-3x+4 when x=-1 is -10-3*(-3)+4=-10*9+4=3
15x^2+3x-12 3(5x^2+x-4)=Answer
A 7th degree polynomial.
(x-4) (x+7)