Question

разложите на множители:
m^2-z^2;
x^2y^-1;
36a^2-121b^2
2d^2-50c^2

Answer 1

m^2-z^2=(m+z)(m-z)
36a^2-121b^2=(6a+11b)(6a-11b)
2d^2-50c^2=2(d^2-25c^2)=2(d-5c)(d+5c)