Question

Using an identity, factorise 25x² + 30xy +9y²​

Answer 1

Step-by-step explanation:

$25 {x}^{2} + 30xy + 9 {y}^{2}$

${(5x)}^{2} + 2 \times (5x) \times (3y) + {(3y)}^{2}$

$= {(5x + 3y)}^{2}$

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