Question

a(4a-b) +2b(4a-b) -c(4a-b) ​

Answer 1

Answer:

$4a {}^{2} + 7ab - 2b {}^{2} - 4ac + bc$

Step-by-step explanation:

=a(4a-b) +2b(4a-b) -c(4a-b)

$= 4a { }^{2} - ab + 8ab - 2b {}^{2} - 4ac + bc \\ = 4a {}^{2} + 7ab - 2b {}^{2} - 4ac + bc$