The Area of the poster will be "[tex]216x^2 +12x[/tex]".
According to the question,
The length of poster,
The width of poster,
Now,
The Area of the poster will be:
= [tex]Length\times Width[/tex]
By putting the values, we get
= [tex](6x)\times (8x+28x+2)[/tex]
= [tex](6x)\times (36x+2)[/tex]
= [tex]216x^2 +12x[/tex]
Thus the above answer is right.
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