Question

find the product using identies (2z+5) (2z+5)​

Answer 1

Answer:

$4 {z}^{2} + 20z + 25$

Step-by-step explanation:

$(2z + 5)(2 z+ 5) \\ {(2z + 5)}^{2} \\ 4 {z}^{2} + 20z + 25$

Answer 2

Answer:

(2z+5) (2z+5)

=(2z+5)².

[formula= (a+b)²=a²+2ab+b²

= (2z+5)²=(2z)²+2(z)(5)+(5)²

=4z²+10z+25

Ans is 4z²+10z+25