Question 1204812
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With the same success as to look into the post by @MathLover1, you may use 
one of numerous free of charge online calculators,


that will make the same work for you in seconds without waiting;  but at least, you will know

to where to go to get the answer on your own, without errors and quickly.


https://www.emathhelp.net/en/calculators/algebra-1/multiplying-polynomials-calculator/