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Mathematics
Deacon Erickson
12 January, 06:10
X-1=2
Work out the value of 2x squared
+2
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2
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Myles
12 January, 06:40
0
Step-by-step explanation:
x-1=2 therefore x is 3 so 2x squared is 36
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Boston Stein
12 January, 08:44
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1.22474487139
Step-by-step explanation:
x = 3
so if 2x^2 - 1 = 2
add 1 to both equations
2x^2 = 3
next, divide 2 from both sides
x^2 = 3/2
x^2 = 1.5
now find the square root of 1.5
the answer is:
1.22474487139
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