Question

What are the solutions to the equation

Answer 1

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

Answer 2

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