Объяснение:
t²/t²-y² и t-y/3t+3y
t²/(t-y)(t+y) и t-y/3(t+y)
t²*3/3(t-y)(t+y) и (t-y)*(t-y)/3(t-y)(t+y)
3t²/3(t²-y²) и (t-y)²/3(t²-y²)
Объяснение:
t²/t²-y² и t-y/3t+3y
t²/(t-y)(t+y) и t-y/3(t+y)
t²*3/3(t-y)(t+y) и (t-y)*(t-y)/3(t-y)(t+y)
3t²/3(t²-y²) и (t-y)²/3(t²-y²)