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Hey:) can you please help me posted picture of question

Hey:) can you please help me posted picture of question-example-1

2 Answers

3 votes
Use F.O.I.L (first, outer, inner, last)
(x-3)(x-7)
x^2*-7x*-3x*21
simplify
x^2-10x+21
User Tverghis
by
7.9k points
3 votes
Answer:
x² - 10x + 21

Step-by-step explanation:
To answer this question, we will simply multiply each term from the first bracket by each term from the second and then combine like terms to get the final expression.

This can be done as follows:
(x - 3)(x - 7)
x(x) + x(-7) -3(x) -3(-7)
x² - 7x - 3x + 21
x² - 10x + 21

Hope this helps :)
User Mrudul Tora
by
8.5k points

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