Question

(11-8a+b2)+(6b2-5a-6)-(4a-3b2+9)

Answer 1

(11-8a+b²)+(6b²-5a-6)-(4a-3b²+9)=11-8a+b²+6b²-5a-6-4a+3b²-9=-4-17a+10b²

Answer 2

(11-8а+b²)+(6b²-5a-6)-(4a-3b²+9)=11-8а+b²+6b²-5a-6-4a+3b²-9=(-4)-17a+10b²
Ответ: (-4)-17a+10b²