Question

2a2 + 12a + 18 answer the question ​

Answer 1

2a² + 12a + 18

= 2a² + 6a + 6a + 18

= 2a( a +3) + 6(a +3)

= (2a +6)(a +3)

Case 1

2a + 6 = 0

2a = -6

a = -3

Case 2

a + 3 = 0

a = -3

Answer 2

Answer :-

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$2a^{2} +12a+18\\=2(a^{2} +6a+9)\\=2(a^{2} +3a+3a+9)\\=2[a(a+3)+3(a+3)]\\=2(a+3)(a+3)\\=2(a+3)^{2}$

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HOPE THIS HELPS YOU!!!!!

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