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Alfredo Mcguire
Mathematics
3 June, 18:24
What is the answer to this : Expand y (y + 10)
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Breanna Calhoun
3 June, 18:27
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When expanding brackets, you have to multiply whatever is outside by everything on the inside
The calculations you would do are
y x y
y x 10
Whenever a value is multiplied by itself once, we describe it as the value squared (²)
y x y can be written as y²
y x 10 is the same as 10 lots of y
In algebra, we don't write multiplication signs as it can get confusing so we write the number directly in front of the letter 10y
When put together, y (y + 10) expanded is
y² + 10y
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