Question

(2z+3)2 brainly what is the answer​

Answer 1

Answer:

(2z+3)² = 4z²+12z+9

Step-by-step explanation:

Use identity:

☞ (a+b)²= a²+2ab+b²

Here,

a= 2z and b =3

$(2z + 3)^{2} = {(2z)}^{2} + 2 \times 2z \times 3 + (3)^{2}$

$= 4 {z}^{2} + 12z + 9$

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