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Sagot :
Answer:
x = {2, 8}
Step-by-step explanation:
(x - 3)^2 = 25
Take the square root of both sides
x - 3 = ±5
Add 3 to both sides
x = ±5 + 3
x = 5 +3 = 8
x = -5 + 3 = 2
x = {2, 8}
Answer:
x = 8, -2
Step-by-step explanation:
[tex](x-3)^2=25[/tex]
[tex](8-3)^2=25[/tex] Substitute x for 8 the subtract 8 - 3
[tex](5)^2=25[/tex] Multiply 5 by 5
[tex]25=25[/tex]
[tex](x-3)^2=25[/tex]
[tex](-2-3)^2=25[/tex] Substitute x for -2 then subtract -2 - 3
[tex](-5)^2=25[/tex] Multiply -5 by -5
[tex]25 = 25[/tex]
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