Question

(4х-1)(4х+1)+(1+3х)²-2х(8х+5)
Решите , пожалуйста

Answer 1

16x^2-1+1+6x+9x^2-16x^2-10x=9x^2-4x=x(9x-4)

Answer 2

(4х)^2-1+1+6х+9х^2-16х^2-10х= 9х^2-4х=х(9х-4)