Question

expand with identity (2a+3)(2a+1)

Answer 1

We

know that the identity: (x+y)

2

=x

2

+y

2

+2xy.

Consider (2a+3)

2

and apply the above identity as follows:

Taking x=2a and y=3 in the above identity.

We get, (2a+3)

2

=2a

2

+3

2

+(2×2a×3)=4a

2

+9+12a

Hence, (2a+3)

2

=4a

2

+12a+9

HOPE IT HELPS YOU.....

Answer 2

Step-by-step explanation:

$(2a + 3)(2a + 1) \\ 4 {a}^{2} + 2a + 6a + 3 \\ 4 {a}^{2} + 8a + 3$

I hope it helps you