Expanding the terms:
(4b-7)^2 = 16b^2 - 56b + 49
(14b-6)^2 = 196b^2 - 168b + 36
Now, adding the two expanded terms:
16b^2 - 56b + 49 + 196b^2 - 168b + 36 - 6b
Combine like terms:
212b^2 - 230b + 85 - 6b
Simplify:
212b^2 - 236b + 85
Therefore, the expression (4b-7)^2 + (14b-6)^2 - 6b simplifies to 212b^2 - 236b + 85.
Expanding the terms:
(4b-7)^2 = 16b^2 - 56b + 49
(14b-6)^2 = 196b^2 - 168b + 36
Now, adding the two expanded terms:
16b^2 - 56b + 49 + 196b^2 - 168b + 36 - 6b
Combine like terms:
212b^2 - 230b + 85 - 6b
Simplify:
212b^2 - 236b + 85
Therefore, the expression (4b-7)^2 + (14b-6)^2 - 6b simplifies to 212b^2 - 236b + 85.