Question

Apply identity (2x + 1 )2 ​

Answer 1

Answer:

$= (2x + 1)2 \\ = 4x + 2 \\ ( - 2) = 4x \\ \frac{( - 2)}{4} = x \\ \frac{( - 1)}{2} = x$

Answer 2

See the attached pic...

Hope it helps youhh