Calculation, [(M's Square-1) / M's square-4m + 4)] / (m-1 / m-2) + (m-1 / 2) Calculation, [(M2-1) of M (m2-4m + 4)] / (M2-2 of m-1) + (m2 of m-1) The answer must be m of (M + 1) (m-1) &# - M + 4

Calculation, [(M's Square-1) / M's square-4m + 4)] / (m-1 / m-2) + (m-1 / 2) Calculation, [(M2-1) of M (m2-4m + 4)] / (M2-2 of m-1) + (m2 of m-1) The answer must be m of (M + 1) (m-1) &# - M + 4

=(M + 1 of m-2) + (m-1 of 2) = (M + 1) (m-1) of M & # 178; - M + 4

Square of (M's Square - 2) (M's fourth power - 4m square + 4) - 1

(m²-2)²(m⁴-4m²+4)-1=(m²-2)²(m²-2)²-1=(m²-2)⁴-1=[(m²-2)²+1][(m²-2)²-1]=(m⁴-4m²+5)(m²-2+1)(m²-2-1)=(m⁴-...

Decomposition factor: square of m-4m-5

Square of m-4m-5
cross multiplication
=（m-5）(m+1)