Question

-(b-2)(3-4b) раскрыть скобки

Answer 1

-(b-2)(3-4b)=-(3b-4b²-6+8b)=-(-4b²+11b-6)=4b²-11b+6 

Answer 2

-(b-2)(3-4b)=(b+2)(3-4b)=3b-4b^2+6-8b