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-2.\overline{2} to fraction

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

☐²

x^☐

√☐

^□√☐

□□

log_□

θ

∞

∫

ddx

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

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risolvere per x, 6x+7y=4x+4y

Solution

x=−3y2

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Solution steps

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(x+1)(x²−2x+4)

Distribuire le parentesi

=xx²+x(−2x)+x· 4+1· x²+1· (−2x)+1· 4

Semplificare xx²+x(−2x)+x· 4+1· x²+1· (−2x)+1· 4: x³−x²+2x+4

=x³−x²+2x+4

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

-2.\overline{2} to fraction

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