a (4-а^2)(4+а^2)
б (8х-(х-1))*(8х+(х+1))
в ((3х-3)-(х+2))*((3х-3)+(х+2))
3 1/4*x^2=0,16
x^2=0,16*4
x^2=0,64
х=0,8
4 8х^3+0,064y^3=(2х+0,4y)*(4x^2-2x*0.4y+0.16y^2)
x^6-64=(x^2-4)*(x^4+x^2*4+16)
a (4-а^2)(4+а^2)
б (8х-(х-1))*(8х+(х+1))
в ((3х-3)-(х+2))*((3х-3)+(х+2))
3 1/4*x^2=0,16
x^2=0,16*4
x^2=0,64
х=0,8
4 8х^3+0,064y^3=(2х+0,4y)*(4x^2-2x*0.4y+0.16y^2)
x^6-64=(x^2-4)*(x^4+x^2*4+16)