SOLUTION: Juan concludes that x2 + 7x + 3 cannot be factored using integers. /1 a. Is Juan correct? Answer: /1 b. Comment on Juan’s strategy and improve it if possible.

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Question 1018195: Juan concludes that x2 + 7x + 3 cannot be factored using integers.
/1 a. Is Juan correct?
Answer:
/1 b. Comment on Juan’s strategy and improve it if possible.
Answer:
4. Factor each of the following expressions.
/2 a. x2 + 9x + 20
Answer:
/2 b. 10n2 + n – 3
Answer:
/2 c. 2d2 – 8de + 6e2
Answer:
Answer by ikleyn(52781) About Me  (Show Source):
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	Juan concludes that x2 + 7x + 3 cannot be factored using integers.

/1		a.   Is Juan correct? 

			Answer:  Yes.

/1		b.   Comment on Juan’s strategy and improve it if possible.

			Answer: I don't know what is Juan's strategy. I only know that his answer is correct.

4. Factor each of the following expressions.

/2		a.   x2 + 9x + 20

			Answer: (x+5)*(x+4)

/2		b.   10n2 + n – 3

			Answer:  

/2		c.   2d2 – 8de + 6e2

			Answer:  2*(d-e)*(d-3e).