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fredd [130]
3 years ago
8

Write the expression 7x^3-28xy^2 as the product of 3 factors

Mathematics
2 answers:
Pani-rosa [81]3 years ago
5 0

Answer:

7·x^3 - 28·x·y^2

= 7·x·(x^2 - 4·y^2)

= 7·x·(x + 2·y)·(x - 2·y)


Leto [7]3 years ago
3 0

Answer:

7x(x - 2y)(x + 2y).

Step-by-step explanation:

First take out the GCF which is 7x:

7x^3-28xy^2

= 7x(x^2- 4y^2)

Now factor the expression in the brackets:

= 7x(x - 2y)(x + 2y)   (answer).

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