Respuesta :

You know that a perfect square trinomial is given by square of first term, twice the product of first and last terms and square of second term

So we have x^2 that is square of x, 2x that is twice the product of x*1, the second term shoulf be 1, that is square of 1

So your answer would be 1

If you try (x+1)^2 = x^2+2x+1
ak78
The perfect square trinomial​ (x + 1)² equals
x² + 2x + 1

Therefore the answer is to add 1 to the expression.

Good luck

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