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Kenley Chandler
Mathematics
27 March, 22:53
X-1=2
Work out the value of 2x squared
+2
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Ahmed Daugherty
27 March, 23:05
0
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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Isabelle French
27 March, 23:19
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Step-by-step explanation:
x-1=2 therefore x is 3 so 2x squared is 36
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