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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