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How to factor 49y^{2}-9x^{2}
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5 votes
How to factor
49y^{2}-9x^{2}

User AnkiiG
by
4.9k points

1 Answer

6 votes

Answer:

(7y + 3x)(7y - 3x)

Explanation:

a² - b² = (a + b)(a - b)

49y² - 9x² = (7y)² - (3x)² {a = 7y ; b - 3x}

= (7y + 3x)(7y - 3x)

User Emroussel
by
4.9k points
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