Question

Simplify :- 15a² - 6a (a-2) + a (3+7a)​

Answer 1

Answer:

muje nahi pata kise aur se puchlana

Answer 2

16a² + 15a

Explanation:

∴ 15a² - 6a (a - 2) + a (3 + 7a)

= 15a² - 6a² + 12a + 3a + 7a²

= 15a² - 6a² + 7a² + 12a + 3a

= (15 - 6 + 7) a² + (12 + 3) a

= (15 + 7 - 6) a² + (12 + 3) a

= (22 - 6) a² + 15a

= 16a² + 15a

This is the required simplification.