5b+8a-5b^2:b При а=8,b=40

Question

5b+8a-5b^2:b
При а=8,b=40

Answer 1

5b+8a-5b^2/b при а=8 b=40
5*40+8*8-(5*40)^2/40
200+64-40000/40=264-1000=-173