Respuesta :

msm555

Answer:

• 4x^2 + 24x + 36 is perfect square trinomial.

let's check

  • 4x²+24x+36
  • (2x)²+2(2x)(6)+6²
  • (2x+6)²

Yes first one

Rest are not

2nd one

  • 9x²-25²
  • (3x)²-5²
  • (3x+5)(3x-5)

Last one is out of business