Which Value Must Be Added To The Expression X2 + X To Make It A Perfect-Square Trinomial? One-Fourth One-Half 1 4. A perfect square trinomial is the one, which gives specific roots value when square. Which value must be added to the expression x 2 + x to make it a perfect square trinomial?

Identify the coefficient of the $$x$$x term in the expression. This is calculated by taking half of the coefficient of x, squaring it, and adding it to the. A perfect square trinomial is the one, which gives specific roots value when square.