Solve the equation : x^(2)+5=3(x^(2)-3)
1 answer:
Answer:
x = ± 2
Step-by-step explanation:
Given
x² + 5 = 3x² - 3 ( subtract x² + 5 from both sides )
0 = 2x² - 8 ( add 8 to both sides )
8 = 2x² ( divide both sides by 2 )
4 = x² ( take the square root of both sides )
x = ± 
= ± 2
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I believe the answer would be x = - 7/4
3X+11=125
3X=125-11
3X=114
X=114/3
X=38
So the answeris B 38
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Answer:
28.8
Step-by-step explanation:
A squared plus b squared equals c squared.
