solve by quadratic formula-x^2+x+2=0

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

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ddx

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

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−x²+x+2=0

Solution

x=−1, x=2

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Solve by:

Quadratic formula

Completing the square

Factoring method

One step at a time

−x²+x+2=0

Solve with the quadratic formula

x_{1, 2}=−1± √1²−4(−1)· 22(−1)

√1²−4(−1)· 2=3

x_{1, 2}=−1± 32(−1)

Separate the solutions

x₁=−1+32(−1) , x₂=−1−32(−1)

x=−1+32(−1) : −1

x=−1−32(−1) : 2

The solutions to the quadratic equation are:

x=−1, x=2

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

solve by quadratic formula-x^2+x+2=0

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