A polynomial is a perfect square trinomial if in form
a^2x^2-2ab+b^2
look at each
we can eliminate A and B since we have -b^2 not +b^2
look at the rest
C. 5^2b-3*5*b+3^2
nope
D. 4^2x^2-2*4*3x+3^3
yes
answe is D (factors to (4x-9)^2)
Answer:it says that it was gruesum(i forgot how too spell it) yet beautiful.
Step-by-step explanation:
how is this a mathematical question???
First use distributive property. Then isolate the variable and get x=2.