Question

(3x^2-2x+5)^2-(x^2+2x+2)^2

Answer 1

daca a^2-b^2=(a-b)(a+b)

(3x^2-2x=5-x^2-2x-2)(3x^2-2x=5=x^2=2x=2)

apoi gasesti ce se pot calcula si iese

(2x^2-4x+3)(4x^2+7)