Упростите а)24(x^2-1)-(6x-1)(4x+1)

Question

Упростите а)24(x^2-1)-(6x-1)(4x+1)

Answer 1

24x^2 - 24 - (24x^2 + 6x - 4x - 1) = 
= 24x^2 - 24 - 24x^2 - 2x + 1 = 
= - 2x - 23