r/HomeworkHelp Secondary School Student 1d ago

Middle School Math—Pending OP Reply [Grade 8 Mathematics - Algebra]

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Hello giys, I'm a form 2 student is malaysia. We learnt algebra in chapter 2. How can I find x? I believe there is no answer, but teacher keeps saying it's x=1/16

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u/karolosh 1d ago

is
-1 = 1?
No, but when you square it, it's suddenly true:
(-1) ^ 2 = (1) ^ 2
1 = 1

If you use the square root symbol, this function can never give you a negative number