Question

simplify
7a²+4b²-b-5a​

Answer 1

its good question.....................................

Answer 2

Step-by-step explanation:

$7a {}^{2} + 4b {}^{2} - b - 5a$

$7a {}^{2} + ( {2b}^{2} ) - b - 5a$

$7a {}^{2} + 2b {}^{3} - 5a$