Упростить (4z-3)^2+(3z+4)^2

Question

Упростить (4z-3)^2+(3z+4)^2

Answer 1

Ответ на фотографии

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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

Comments

3^2=9

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(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

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(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:25(z^2+1)