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focos y=x^2+2x-1-(2x^2-3x+6)

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

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x⁴−4x²−12=0

Solution

x=√6, x=−√6, x=√2i, x=−√2i

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x⁴−4x²−12=0

Reescrever a equação com u=x² e u²=x⁴

u²−4u−12=0

Resolver u²−4u−12=0: u=6, u=−2

u=6, u=−2

Substitua u=x², solucione para x

Resolver x²=6: x=√6, x=−√6

Resolver x²=−2: x=√2i, x=−√2i

As soluções são

x=√6, x=−√6, x=√2i, x=−√2i

Order of operations two-step without parentheses Examples

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

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focos y=x^2+2x-1-(2x^2-3x+6)

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focos y=x^2+2x-1-(2x^2-3x+6)

Solution

Solution steps

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