Question

6. Factorise
Using Identity
(6). 25x² - 40 xy + 16y²​

Answer 1

Step-by-step explanation:

$25 {x}^{2} - 40xy + 16 {y}^{2}$

$= {(5x)}^{2} - 2 \times (5x) \times (4y) + {(4y)}^{2}$

$= {(5x - 4y)}^{2}$

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