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Home Q & A Board Science-Related Homework Help Mathematics
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Fireman 23 Fireman 23
wrote...
Posts: 172
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11 years ago
Can anyone help me out by giving some steps to follow on how to do a problem and an example? Please and thank you!
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wrote...
#1
11 years ago
The special products are:

Difference of squares a² - b² = (a - b)(a + b)

Example:

x² - 4
=> (x)² - (2)²
=> (x - 2)(x + 2)

Perfect Square Trinomial:

a² - 2ab + b² = (a - b)²
a² + 2ab + b² = (a + b)²

Example:

x² - 2x + 1
=> (x)² - 2(x)(1) + (1)²
=> (x - 1)²

I hope this helps!
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