Answer:
Step-by-step explanation:12x=5x+14, 7x=14,
x=2
Answer:

Step-by-step explanation:

Answer:134
Step-by-step explanation:
Answer:
<h2>A.) 3 6/8</h2>
Step-by-step explanation:
<h2>follow me</h2>
please
No because it would be
if you knew that
ax^2+bx+c was a trinomial square, then the factored form would be

or

so
if w^2-9w+81 is perfect square, factored form is either

or

aka

or
expand them
(x+9)^2=x^2+18x+81, wron middle term
(x-9)^2=x^2-18x+81 wrong
so it is not