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Cerrena [4.2K]
3 years ago
12

Factorize

a {}^{2} - 9b {}^{2} " alt="a {}^{2} - 9b {}^{2} " align="absmiddle" class="latex-formula">
​
Mathematics
2 answers:
AleksAgata [21]3 years ago
4 0
1^2 (a-9b)

Not sure but hope it helps :)
lakkis [162]3 years ago
3 0

Answer:

(a - 3b)(a + 3b)

Step-by-step explanation:

a² - 9b²

(a)² - (3b)²

(a - 3b)(a + 3b)

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