Each of the following is a factor of x^2 +3x-4 except
A. x+4
B. x-1
C. x-4
D. 1
2 answers
well, x^2+3x-4 = (x+4)(x-1), so ...
So it's 1?
A. x+4
B. x-1
C. x-4
D. 1
2 answers