SOLUTION: What is the area (written as a simplified polynomial) of a rectangle that has a length that eight more than the width, if the width is 3x-4?
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Question 870514: What is the area (written as a simplified polynomial) of a rectangle that has a length that eight more than the width, if the width is 3x-4? Answer by ankor@dixie-net.com(22740) (Show Source):
You can put this solution on YOUR website! What is the area (written as a simplified polynomial) of a rectangle that has a length that eight more than the width, if the width is 3x-4?
:
Find the length
(3x-4) + 8 = 3x + 4
A = (3x - 4) * (3x + 4)
FOIL
A = 9x^2 + 12x - 12x - 16
A = 9x^2 - 16
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