Evaluate 2a^2 – 3ab + b^2 – 4a + b when a = - 4 and b = – 2. -6 74 18 26 Please no links

asked Feb 3, 2022 42.4k views

3 votes

Evaluate 2a^2 – 3ab + b^2 – 4a + b when a = - 4 and b = – 2.

-6
74
18
26
Please no links

7.9k points

Please log in or register to add a comment.

3 votes

Answer:

Explanation:

Substitute -4 for a and -2 for b

$2a^(2) - 3ab+b^(2)-4a-b\\ 2(-4^(2) )- 3 (-4*-2)+-(2^(2))-4(-4)-2 \\32-24+4+16-2$

Hongbo Miao answered Feb 7, 2022

7.3k points

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers