You can
put this solution on YOUR website!Factor:
3t² - 27
Answer: 3(t - 3)(t + 3)
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Here's one just like it
5m² - 80
Factor out GCD = 5
5(m² - 16)
Write the parenthetical expression as the difference of two perfect squares:
5(m² - 4²)
To factor the difference of two perfect squares:
1. The first factor is the same without the exponents (m - 4)
2. The second factor is like the first factor only sign between them is
changed to +, i.e., (m + 4)
5(m - 4)(m + 4)
Edwin
