Question

ayudenme xfavor son operacion con polinomios ​

Answer 1

Respuesta y resolución:

$(m+a).(m-8)\\m.m-8m+am-8a\\m^{2}-8am+am-8a\\\\\\ (5x^{2}-7y^{2}-4xy).(3x-2y)\\5x^{2}.(3x-2y)-7y^{2}.(3x-2y)-4xy.(3x-2y)\\15x^{3}-10x^{2}y-21xy^{2}+14y^{3}-12x^{2}y+8xy^{2}\\15^{3}-22x^{2}y-13xy^{2}+14y^{3}\\\\\\(3m^{a-2}-2m^{a-1}+m^{a}).(m^{2}+2m-1)\\3m^{a-2}.(m^{2}+2m-1)-2m^{a-1}.(m^{2}+2m-1)+m^{a}.(m^{2}+2m-1)\\3m^{a}+6m^{a-1}-3m^{a-2}-2m^{a+1}-4m^{a}+2m^{a-1}+m^{a+2}+2m^{a+1}-m^{a}\\-2m^{a}+8m^{a-1}-3m^{a-2}+m^{a+2}$