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The dimension of a rectangle can be given by x+7 and x+2. If the area of the rectangle is 66 square inches, what are the dimensions of the rectangle?

Question

Will fan and medal for help. Thanks. 

The dimension of a rectangle can be given by x+7 and x+2. If the area of the rectangle is 66 square inches, what are the dimensions of the rectangle?

isaidavila · Answer

A=bh
A=(x+7)(x+2)
66=(x+7)(x+2) 
Solve for that

trisha001 · Answer

Wait could you help me out? Am I supposed to solve both of those or? I am new at this and I'm really confused. I have no idea what I am doing I'm sorry

isaidavila · Answer

Just find values for x
66=6*11 so
X+7=11
X=4
Got it?

trisha001 · Answer

Yeah I think I understand now thank you.

isaidavila · Answer

You can check the answer replacing 4 for x in the equation above

trisha001 · Answer

wait is it a=x2+9x+14?

trisha001 · Answer

@isaidavila

isaidavila · Answer

Yeah