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Factorize the following:9a²-42a+49​

Factorize the following:9a²-42a+49​
asked 144k views
0 votes
Factorize the following:9a²-42a+49​

asked
User Zept
by
7.2k points

2 Answers

3 votes

Answer:

(3a-7)²

Explanation:

Sum=-42

Prodect=441

9a²-21a-21a+49

3a(3a-7)-7(3a-7)

(3a-7)(3a-7)

=(3a-7)²

answered
User Achintha Gunasekara
by
8.7k points
3 votes
(3a-7) ^2 i believe
answered
User SubGothius
by
8.2k points
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