Question

Упростить (4z-3)^2+(3z+4)^2

Answer 1

Ответ на фотографии

Answer 2

(4z-3)^2=16z^2-24z+12
(3z+4)^2=19z^2+24z+16
16z^2-24z+12+19z^2+24z+16=35z^2+30
Ответ:35z^2+30

Answer 3

(4z-3)^2=16z^2-24z+9
(3z+4)^2=9z^2+24z+16
16z^2-24z+12+9z^2+24z+9=25z^2+25
Ответ:35z^2+30