ответ:(6x+5m)^2
Объяснение:
100x^2+60xm+9m^2-(64x^2-16m^2)=100x^2+9m^2+60xm-64x^2+16m^2= 36x^2+25m^2+60xm=36x^2+60xm+25m^2=(6x+5m)^2
ответ:(6x+5m)^2
Объяснение:
100x^2+60xm+9m^2-(64x^2-16m^2)=100x^2+9m^2+60xm-64x^2+16m^2= 36x^2+25m^2+60xm=36x^2+60xm+25m^2=(6x+5m)^2