分别写出先用提公因式法,再用平方差公式、先用提公因式法,再用完全平方公式分解的多项式,并分解 各5个

ax^2-a=a(x+1)(x-1)x^3y-4xy^3=x^2y(x+2y)(x-2y)a^3b^2-ab^4=ab^2(a+b)(a-b)m^7n^6-m^3n^2=m^3n^2(m^2+1)(m+1)(m-1)n^3-2n^2-n+2=(n-2)(n+1)(n-1)x^3-6x^2y+9xy^2=x(x-3)^2ab^3+4a^2b^2+4ab^3=ab(a+2b)^24m^4n+12m^3...