Question

If the each of algebraic expression
1. (lx^2) + (mx) + n
2. (mx^2) + (nx) + l
3. (nx^2) + (lx) + m
are perfect squares, then (l+m)/n equals to

A. -4
B. 6
C. -8
please help with solution. Answer is -4.
Will mark brainliest to fastest correct answer

Answer 1

sorry but the answer is 2 not -4