Question

3a squared plus 2ab plus b squared,when a=3 and b=-2

Answer 1

Answer:

19

Step-by-step explanation:

3a²+2ab+b²

3×(3)²+2×3×-2+(-2)²

3×9+(-12)+4

27-12+4

31-12

19

Answer 2

Answer:

3a²+2ab+b² a=3 and b=–2

3×(3)²+2×(3)(–2)+(-2)²

27-12+4=19