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OpenStudy (anonymous):
What is the value of x, when x2 + 5 = 21?
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OpenStudy (apoorvk):
x2 = 21-5 x2= 16 x = 4 or -4
OpenStudy (amistre64):
(what) + 5 = 21 ? lol, or thatll work too
OpenStudy (amistre64):
if you hold back on the final answer tho then they have to work a little harder to extract it.
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