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Reil [10]
2 years ago
11

How do you solve a perfect square trinomial??

Mathematics
1 answer:
Nuetrik [128]2 years ago
7 0

Answer:

Step-by-step explanation:

Here's an example:

x^2 + 6x + 9 = 0

First factorise it:

(x + 3)(x + 3) = 0

So the solution is  x = -3 (multiplicity 2)

That is there are 2 roots both -3.

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