Question

2a²+13a+15 use splitting the middle term​

Answer 1

Answer:

Using middle term factorisation :

$= 2a {}^{2} + 13a + 15 \\ = 2 {a}^{2} + 10a +3 a + 15 \\ = 2a(a + 5) + 3(a + 5) \\ = (a + 5)(2a + 3)$

DETAILED :

multiply 15 × 2a² = 30a²

split 30a² in such a way that when you multiple ,it should come 30a² and when you add it should come middle term i.e. 13 a.

so 30a² can be split into 10a & 3a

Answer 2

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