(b-2)^2 + 2b(5b - 2)

Question

(b-2)^2 + 2b(5b - 2)

Comments

( B - 2)^2 + 2B*( 5B - 2 ) = B^2 - 4B + 4 + 10B^2 - 4B = 11B^2 - 8B + 4

Answer 1

B²-4b+4+10b²-4b=12b²-8b+4