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enot [183]
3 years ago
10

Factorise completely 15a^3 - 5abpwease help me

Mathematics
1 answer:
LenKa [72]3 years ago
4 0
The first step to factorize is to find the common terms. In this 5a is common throughout. By taking it out we get the expression:

5a (3 a^2 -b)

Hope this helps!
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Which is a difference of cubes?<br><br> x6 – 27<br> x15 – 36<br> x16 – 64<br> x5 – 125
shutvik [7]

Answer:

The correct option is 1.

Step-by-step explanation:

The difference of cubes is defined as

a^3-b^3=(a-b)(a^2+ab+b^2)

The given expression is

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It can be written as

x^6-3^3

Using the property of exponent, the above expression can be written as

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This is a difference of cubes.

Therefore the correct option is 1.

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3 years ago
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HACTEHA [7]
Hello,

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dmitriy555 [2]

Answer:

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Step-by-step explanation:

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