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Factorise the following 25x²-4y²
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5 votes
Factorise the following 25x²-4y²

User Sukunrt
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2 Answers

3 votes
The answer is (5x+2y)(5x-2y)
User Dhimiter
by
7.2k points
1 vote

Answer:

(5x + 2y)(5x - 2y)

Explanation:

This is the difference of two squares whose factorisation is

a² - b² = (a + b)(a - b)

25x² - 4y² =

= (5x)² - (2y)²

= (5x + 2y)(5x - 2y)

User Iamafish
by
7.2k points
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