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(b) Factorize: x2 - 49
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5 votes
(b) Factorize: x2 - 49

User Esteven
by
8.0k points

2 Answers

4 votes

Answer:

(x-7)(x+7)

Explanation:

x^2 = x * x

-49 = -7 * 7

(x-7)(x+7)

User Ankit Pandey
by
8.3k points
4 votes

Answer:

(x+7)(x-7)

Explanation:

This one has the standard shape of a²-b², therefore its factorization is (a+b)(a-b).

User Spaceman
by
8.4k points
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