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x^2-1=0

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`x`²	`x`^□	log_□	√☐	^□√☐	≤	≥	□□	·	÷	`x`^◦	π
(☐)^′	`ddx`	∂∂`x`	∫	∫_□^□	lim	∑	∞	`θ`	(`f` ◦ `g`)	`f`(`x`)

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x²−1=0

Solution

x=1, x=−1

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x²−1=0

Move 1 to the right side

x²=1

For x²=f(a) the solutions are x=√f(a), −√f(a)

x=√1, x=−√1

√1=1

−√1=−1

x=1, x=−1

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−▭▭	<	7	8	9	÷	`AC`
+▭▭	>	4	5	6	×	☐☐☐
×▭▭	(	1	2	3	−	`x`
▭ \|▭	)	.	0	=	+	`y`

x^2-1=0

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