Question

(2a - b )square - 10 +5b​

Answer 1

Answer:

$(2a - b)^{2} - 10 + 5b$

${ {4a}^{2} + {b}^{2} } - 4ab - 10 + 5b$

Answer 2

Answer:

4a² + b² - 4ab -10 + 5b

this will remain as the answer, because it can't be solved further.