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3 years ago

15

Factorize 225-49

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2 answers:

erica [24]3 years ago

7 0

$225-49x^2$

$-49x^2+225$

$=(7x+15)(-7x+15)$

salantis [7]3 years ago

4 0

Answer:

(15+7x)(15-7x)

Step-by-step explanation:

225-49 x² = 15² - (7x)² = (15+7x)(15-7x)

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