Question

-9x^3m*y^n+12x^5m*y^3n-21x^6m*y^2n разложить на множители

Answer 1

$-9 x^{3}m* yn+12 x^{5}m* y^{3} n-21 x^{6}m* y^{2}n=-3 x^{3}yn(3 -4 x^{2} y^{2}+7 x^{3}y$$)$