(3m-1) (m+1) + (2m-1) (m-1) - (5 m+5)(m-2) при m = 0,375

Question

(3m-1) (m+1) + (2m-1) (m-1) - (5 m+5)(m-2) при m = 0,375

Answer 1

(3*0,375-1) (0,375+1) + (2*0,375-1) (0,375-1) - (5 *0,375+5)(0,375-2) =10,8