A perfect square trinomial is the result of squaring a binomal. A perfect square trinomial has first and lasts terms which are perfect squares and a middle term which is twice the product of the square root of the first and last terms. :)
A perfect square trinomila is where the binomial answers that you square the first term and square the 1st term and second term and multiply by 2 and square the last term so the answers of this equation is the perfect trinomial square.this is a quadratics that you got by squaring a binomial