Question

Which expression is equivalent to the area of metal sheet required to make this square-shaped traffic sign?



x2 + 2x + 1

x2 + x + 1

x2 + 2x

x2 + 1

Answer 1

Its d

Answer 2

Squaring a Binomial of the Form :\[( a + b )^2\]
\[A = l • w; ( x + 1 ) • ( x + 1 )\]
\[x^2 + x + x + 1\]
\[x^2 + 2x + 1\]That's your answer.

Answer 3

@jd10101010 is incorrect, as to there is no work showing how s/he got their answer, and it doesn't make any sense. Sorry.