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

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≥	≤	·	÷	`x`^◦	(☐)	\|☐\|	(`f` ◦ `g`)	`f`(`x`)	ln	`e`^☐
(☐)^′	∂∂`x`	∫_□^□	lim	∑	sin	cos	tan	cot	csc	sec

simplify solve for inverse tangent line

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Steps Examples

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x²+8x+12=0

Solution

x=−2, x=−6

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Solve by:

Completing the square

Quadratic formula

Factoring method

One step at a time

x²+8x+12=0

Move 12 to the right side

x²+8x=−12

Rewrite in the form (x+a)²=b

(x+4)²=4

For f ²(x)=a the solutions are f(x)=√a, −√a

Solve x+4=√4: x=−2

Solve x+4=−√4: x=−6

The solutions to the quadratic equation are:

x=−2, x=−6

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Notebook

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

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Solution

Solution steps

Number Line

Graph

1	2	1
6	−1	0
−1	−2	−1