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Factor 25-4z^2 im having trouble with a question
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4 votes
Factor 25-4z^2
im having trouble with a question

User Bymannan
by
4.8k points

1 Answer

6 votes

Answer:

(5-2z)(5+2z)

Explanation:

25 -4z^2

Rewriting

5^2 - (2z)^2

This is the difference of squares a^2 - b^2 = (a-b)(a+b)

(5-2z)(5+2z)

User Mstuercke
by
4.3k points
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