Question

What must we added to obtain a prefect square of a^2 + 2.4a.​

Answer 1

a^2 + 8a + 16

a^2 + 4a + 4a + 16

a(a+4) + 4(a+4)

(a+4) (a+b)

16 must be added to obtain a perfect square of a^2 + 2.4a

Hope it helps :)

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