SOLUTION: find the product (9x-8)^2 a)81x^2+64 b)9x^2+64 c)9x^2-144x+64 d)81x^2-144x+64

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Question 147738: find the product
(9x-8)^2
a)81x^2+64
b)9x^2+64
c)9x^2-144x+64
d)81x^2-144x+64

Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!

Start with the given expression.


Expand. Remember something like .


Now let's FOIL the expression.


Remember, when you FOIL an expression, you follow this procedure:


Multiply the First terms:.


Multiply the Outer terms:.


Multiply the Inner terms:.


Multiply the Last terms:.


Now collect every term to make a single expression.


Now combine like terms.


So FOILS to .


In other words, .

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