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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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Explanation:

Okay so Jack started with 50 chocolates, and ended with 2. 
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Using algebra, we substitute the value we want to find with x. Here what we want to find is the number of friends that were at Jack's party.

We know that he started with 50 chocolates, then distributed <span>3×</span> the number of friends present (which is x). 
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We know that after this, there were only 2 chocolates left, so it's 
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<span>x=<span><span>−48</span><span>−3</span></span></span>

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\huge { - 4}^{11}

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