Question

factorise 4x^2 -25
$4x {}^{2} - 25$
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Answer 1

Step-by-step explanation:

$4 {x}^{2} - 25$

$= {(2x)}^{2} - {5}^{2}$

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

This is your answer ..

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Answer 2

= 4x²-25

= (2x)²-5²

= 2x+5. 2x-5