Question

Identity

(b+5) (b+5)​

Answer 1

Answer:

(b+5)(b+5)=(b+5)^2

(x+y)(x+y)=(x+y)^2=x^2+2xy+y^2

=b^2+10b+25

Step-by-step explanation:

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Answer 2

Answer:

(a+b)^2 = (a^2) + (b^2) + 2ab

Step-by-step explanation:

Identity used  = (a+b)^2 = (a^2) + (b^2) + 2ab

                    (b+5) (b+5)​ = (b+5)^2

(b+5)^2 = (b^2) + (5^2) + (2*b*5)

            =  b^2 + 25 + 10b