Предмет: Алгебра, автор: vladiksamara163163

Решите пожалуйста прямо сейчас срочно надо

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Автор ответа: rina678i9

в) x²-8x+16=0

D= -8²-4×1×16=0

г)t⁵-9t³=0

t³×(t²-9)=0

t³=0

t²-8=0

t=0 t=-3 t=3

a)y+2=0

3y-9=0

y=-2

y=3

б)16-z²=0

-z²=-16 / -1

z=16

z=+-4

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