Question

value a=1,b=2,and c=-1
2) 2a2-b2c+3abc​

Answer 1

Answer:

$2a {}^{2} - b {}^{2} c + 3abc$

$= 2(1) {}^{2} - (2) {}^{2} ( - 1) + 3(1)(2)( - 1)$

$= 2 + 4 - 6$

$= 6 - 6$

$= 0$

Answer 2

Answer:

-8 and please follow me

Step-by-step explanation:

2a^2-b^2+3abc=2.1^2-2^2+3.1.2.-1

2-4+(-6)

-2-6

-8