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

-6
74
18
26
Please no links

Evaluate 2a^2 – 3ab + b^2 – 4a + b when a = - 4 and b = – 2. -6 74 18 26 Please no-example-1
User Lidong Guo
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4.7k points

1 Answer

3 votes

Answer:

26

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

User Hongbo Miao
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