Factorise (Class 8, algebraic identities)
1. 50a^2 + 98b^2 + 140ab
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41
50a² + 98b² + 140ab
2 ( 25a² + 49b² + 70ab )
2 ( 5a + 7b ) ²
( or )
2 ( 5a + 7b ) ( 5a + 7b )
Answered by
2
2(25a²+49b²+70ab)
=2(5a+7b)²
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