Problem: The equation x+4​−x−3​+1=0 has:
Answer Choices:
A. no root
B. one real root
C. one real root and one imaginary root
D. two imaginary roots
E. two real roots
Solution:
x+4​=x−3​−1;∴x+4=x−3−2x−3​+1; ∴3=−x−3​. This is impossible since the left side is positive while the right side is negative.