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notka56 [123]
4 years ago
11

Factor the expression 4r^2 - 64

Mathematics
2 answers:
elena55 [62]4 years ago
7 0

For this case we must factor the following expression:

4r ^ 2-64

We take common factor 4:

4 (r ^ 2-16)

We factor the expression within the parenthesis:

4 [(r-4) (r + 4)]

Finally we have that the factored expression is:

4 [(r-4) (r + 4)]

Answer:

4 [(r-4) (r + 4)]

Shkiper50 [21]4 years ago
5 0

Answer:

4(r+4)(r-4)

Step-by-step explanation:

If you factor it out, then it will be 4(r+4)(r-4). You can double check by multiplying it.

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