josiebrown josiebrown

25-04-2017
Mathematics

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Identify the factors of 9x^2+24x+16

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Аноним Аноним

25-04-2017

Hi friend,

This is a perfect square trinomial.

It can be recognised because it is of the form:

a^2−2ab+b^2=(a−b)^2

with a=3x and b=4

9x2−24x+16=(3x)2−(2⋅(3x)⋅4)+42

=(3x−4)2

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