1.

Expand (x+5)² please answer fast​

Answer»

(X+5)

2 is a SUM of SQUARES,

(a+b)2=a2+2ab+b2, where

a=x

and

b=5

Expand.

(x+5)2

=x2+2

(x)(5)+52

Simplify.

(x+5)=x2+10x+25

(x+5)2

=(x+5)(x+5)

(x+5)(x+5)

=x⋅x+x⋅5+5

x+5⋅5

Simplify.

(x+5)(x+5)

=x2+5x+5x+25

Simplify.

(x+5)(x+5)

=x2+10x+25


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