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The area of a room is 2x^2+9x+9 one of the walls is broken down & rebuilt 2 feet away...10 pts first answer?


the area of a room is 2x^2+9x+9 one of the walls is broken down & rebuilt 2 feet away the adjoining walls are extended to meet the new wall, factor to find the area of the new room.

question makes no sense.

area = 2x^2+9x+9
area = (2x+3)(x+3) = L*W

if the L side is broken down& rebuilt 2 feet away

the area of the new room is
= (2x+3)*(x+3+2)
= (2x+3)*(x+5)
= 2x^2+13x+15

ANSWER

I believe there is not enough info to figure this problem out. Area of room=>A=L*W. If susbstituted=>(2x^2+9x+9)=L*W. Factoring=>{(2x+3)(x+3)}=L*W. Susbstituting=>{(2x+3)(x+3)}=(L+2)*W. Broken down{(2x+3)=(L+2)*W} and {(x+3)=(L+2)*W. Then (2x+3) / (L+2)*W=0 and (x+3) / (L+2)*W= 0. that is as far as you can take it.

area = lengthxbreadth=2x^2+9x+9=2x^2+3x+6x+9
=x(2x+3)+3(2x+3)
=(x+3)(2x+3)

let length = x+3
breadth=2x+3

so now length=x+3+2=x+5

so new area = (x+5)(2x+3)
=2x^2+13x+15

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