Номер 265,пример 3 Пожалуйста помогите!)

m+2x 3y–m m^2–xy ---------- – ----------- + ---------------------- = 2m–2x 2m–2y m^2–my+xy–mx m+2x 3y–m m^2–xy = ---------- – ---------- + -------------------- = 2(m–x) 2(m–y) m(m-y)-x(m–y) m+2x 3y–m m^2–xy = ---------- – ---------- + -------------------- = 2(m–x) 2(m–y) (m–y)(m–x) (m+2x)(m–y)–(3y–m)(m–x)+2m^2– = -------------------------------------------------- 2(m–x)(m–y) –2xy m^2–my+2mx–2xy–3my+3xy ------- = ------------------------------------------ 2(m–x)(m–y) +m^2–mx+2m^2–2xy ------------------------------- = 4m^2–4my+mx–xy = ------------------------------ = 2(m–x)(m–y) 4m(m–y)+x(m–y) (m–y)(4m+x) = -------------------------- = ------------------ = 2(m–x)(m–y) 2(m–x)(m–y) 4m+x = ----------- 2(m–x)