What is the value of x, when x2 + 5 = 21? A) 2 or -2 B) 4 or -4 C) 5.5 or -5.5 Eliminate D) 8 or -8
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1
ypur answer will be 8
Shri2002:
it is x^2 o guess
but i think its in multiple
Answered by
1
the answer is +4 or -4
wht. how
no the person would have forgotten to typthe symbol ^
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