P(1) = 1 + 2m + m^2
Q(-1) = 1 - (2m + 1) + m^2 = m^2 - 2m
P(1) = Q(-1) => m^2 + 2m + 1 = m^2 - 2m => 4m = -1 => m = -1/4
P(1)= 1 + 2m +m2
Q(-1)= 1-( 2m + 1 ) + m2 = m2 -2m
P(1) = Q(-1) => m2+2m+1=m2-2m=>4m = -1=>m = -1/4
P(1)= 1 + 2m +m2. Q(-1)= 1-( 2m + 1 ) + m2 = m2-2m. P(1) = Q(-1)
=> m2+2m+1=m2-2m
=>4m = -1
=>m = -1/4