Question

Is 4m2 – 12mn – 9n 2 a perfect square trinomial? If not, what changes will you need to make in the given expression so that it is a perfect square trinomial.

Answer 1

Answer:

Hey mate understand this

(x + 3)2

= (x + 3)(x + 3)

= x2 + 6x + 9

...so x2 + 6x + 9 is a perfect square trinomial.

Hope it helps you

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