Factorise 25x2 + 4y2 + 20xy
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Answered by
6
25x² + 4y² + 20xy
= (5x)² + (2y)² + 2(5x)(2y)
= (5x + 2y)²
= (5x + 2y)(5x + 2y).
Answered by
2
Answer:
(5x+2y)²
Step-by-step explanation:
(5x)²+(2y)²+2(5x)(2y)
[∵(a+b)² = a²+b²+2ab]
(5x+2y)²
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