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Factorise y² - 100 pleaseeeee​
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4 votes
Factorise y² - 100 pleaseeeee​

User Bagelman
by
7.3k points

1 Answer

5 votes

Explanation:

y² - 100

= y² - 10²

Now by using formula:


a { \\ }^(2) - {b}^(2) = (a - b)(a + b)

= (y - 10)(y + 10)

User John Kealy
by
8.4k points
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