3 years ago

What are the solutions to the equation

Mathematics

2 answers:

skelet666 [1.2K]3 years ago

8 0

Step-by-step explanation:

4) y²-1=48

y²=49

y=±7

option C -7 and 7

5) x²=289

x=±17

-17 and 17

Flauer [41]3 years ago

7 0

Answer:

Step-by-step explanation:

hello :

y²-1=48

y²-49=0

y²-7² =0

(y-7)(y+7)=0

y-7=0 or y+7 =0

y=7 or y = -7

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