SOLUTION: 4. Completely factor each of the following expressions. a. 12r – 3r2 Answer: b. 81 – n2 Answer: c. x2 + 4x – 45 Answer: d. 4x2 + 24x + 36 Answ

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Question 1017831: 4. Completely factor each of the following expressions.
a. 12r – 3r2
Answer:
b. 81 – n2
Answer:
c. x2 + 4x – 45
Answer:
d. 4x2 + 24x + 36
Answer:
e. 3x2 + 5xy – 2y2
Answer:
Answer by ikleyn(52787)   (Show Source): You can put this solution on YOUR website!
.
4.   Completely factor each of the following expressions.
a.   12r – 3r2
     Answer:  3r*(4 - r)

b.   81 – n2
     Answer:  (9 + n)*(9 - n)

c.   x2 + 4x – 45
     Answer:  (x - 5)*(x + 9)

d.   4x2 + 24x + 36
     Answer:  

e.   3x2 + 5xy – 2y2
     Answer:  (3x - y)*(x + 2y)


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