Question

Which are perfect trinomials squares ? write yes or no.36d^2+13dx+x^2​

Answer 1

no
because
${36d}^{2} = {(6d)}^{2}$
and
${x}^{2} = {(x)}^{2}$
but
$2(6d)(x) = 12dx$
not 13dx
so this is not a perfect trinomials squares.
thx

Answer 2

Answer:

no this is not a perfect trinomial square