10x - 7x+1 Product: Sum:
2 answers:
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The first step for solving this expression is to distribute 
through the first set of parenthesis.
× (x - 9)
Now use the FOIL method to multiply each term in the first parenthesis by each term in the second parenthesis. This will look like the following:
x × x - x × 9 - x - × (-9)
Remember that multiplying two negatives together equals a positive,, so the expression changes to:
x × x - x × 9 - x + × 9
Calculate the product of all of the sets of multiplication to make the expression become:
x² - 
x - x +
Lastly,, calculate the difference of -x - x to find your final answer.
x² - 
x +
Let me know if you have any further questions.
:)
Now use the FOIL method to multiply each term in the first parenthesis by each term in the second parenthesis. This will look like the following:
Remember that multiplying two negatives together equals a positive,, so the expression changes to:
Calculate the product of all of the sets of multiplication to make the expression become:
Lastly,, calculate the difference of -
Let me know if you have any further questions.
:)