Mathway | Problèmes fréquents

Problèmes fréquents

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Rang	Matière	Problème	Problème de formatage
73801	Resolva para x	x/2-x/3=12	$\frac{x}{2} - \frac{x}{3} = 12$
73802	Trouver les bornes des zéros	f(x)=3x^3-2x^2+x+2	$f (x) = 3 x^{3} - 2 x^{2} + x + 2$
73803	Resolva para x	(x+4)/6=5/6-(x-1)/4	$\frac{x + 4}{6} = \frac{5}{6} - \frac{x - 1}{4}$
73804	Trouver le mode	(18,13,22,17,21,24)	$(18, 13, 22, 17, 21, 24)$
73805	Resolva para x	0.2x+2.5=3.9-1.3x	$0.2 x + 2.5 = 3.9 - 1.3 x$
73806	Trouver le mode	11 , 24 , 13 , 18 , 16 , 21 , 23 , 29	$11$ , $24$ , $13$ , $18$ , $16$ , $21$ , $23$ , $29$
73807	Resolva para x	x^2=-24	$x^{2} = - 24$
73808	Trouver le mode	130 , 132 , 144 , 128 , 144 , 133	$130$ , $132$ , $144$ , $128$ , $144$ , $133$
73809	Resolva para x	x^2=21	$x^{2} = 21$
73810	Trouver le mode	101 , 102 , 100 , 100 , 110 , 109 , 109 , 108 , 109	$101$ , $102$ , $100$ , $100$ , $110$ , $109$ , $109$ , $108$ , $109$
73811	Simplifier	(2t-1)(t+5)	$(2 t - 1) (t + 5)$
73812	Trouver le mode	12 , 13 , 14 , 16 , 17 , 27 , 27	$12$ , $13$ , $14$ , $16$ , $17$ , $27$ , $27$
73813	Resolva para x	6x-14x+16=-35+11	$6 x - 14 x + 16 = - 35 + 11$
73814	Trouver le mode	110 , 110 , 112 , 113 , 112 , 110 , 115 , 115 , 114 , 111 , 114 , 112 , 114 , 115 , 115 , 115 , 114 , 115 , 115 , 115 , 115 , 116 , 116 , 118 , 120 , 122 , 118 , 118 , 117 , 115	$110$ , $110$ , $112$ , $113$ , $112$ , $110$ , $115$ , $115$ , $114$ , $111$ , $114$ , $112$ , $114$ , $115$ , $115$ , $115$ , $114$ , $115$ , $115$ , $115$ , $115$ , $116$ , $116$ , $118$ , $120$ , $122$ , $118$ , $118$ , $117$ , $115$
73815	Resolva para x	x^2=80	$x^{2} = 80$
73816	Trouver le mode	1 , 1 , 1 , 1.5 , 2 , 2 , 2 , 2.5 , 3	$1$ , $1$ , $1$ , $1.5$ , $2$ , $2$ , $2$ , $2.5$ , $3$
73817	Resolva para x	x^2=96	$x^{2} = 96$
73818	Trouver le mode	54 , 78 , 26 , 36 , 26	$54$ , $78$ , $26$ , $36$ , $26$
73819	Resolva para x	x^2-3x=18	$x^{2} - 3 x = 18$
73820	Trouver le mode	1.5 , 4.7 , 6 , 7.7 , 7.7 , 4.5 , 2.5 , 4.5	$1.5$ , $4.7$ , $6$ , $7.7$ , $7.7$ , $4.5$ , $2.5$ , $4.5$
73821	Resolva para x	x^2-13x+42=0	$x^{2} - 13 x + 42 = 0$
73822	Resolva para x	2(7x+4)=4x-6(2-x)+7	$2 (7 x + 4) = 4 x - 6 (2 - x) + 7$
73823	Trouver le mode	3 , 5 , 6 , 7 , 9 , 6 , 8	$3$ , $5$ , $6$ , $7$ , $9$ , $6$ , $8$
73824	Simplifier	(fg)^9	${(f g)}^{9}$
73825	Resolva para x	x^2-3x-2=0	$x^{2} - 3 x - 2 = 0$
73826	Trouver le mode	19 , 1 , 17 , 19 , 3 , 20 , 5 , 2	$19$ , $1$ , $17$ , $19$ , $3$ , $20$ , $5$ , $2$
73827	Simplifier	6/2*(1+2)	$\frac{6}{2} \cdot (1 + 2)$
73828	Trouver le mode	{41,43,45,3,11,23,24,27,29,45,12,19,22,49,25}	${41, 43, 45, 3, 11, 23, 24, 27, 29, 45, 12, 19, 22, 49, 25}$
73829	Simplifier	-12x+5x	$- 12 x + 5 x$
73830	Resolva para x	x^2-b=0	$x^{2} - b = 0$
73831	Trouver le mode	55 , 60 , 62 , 68 , 70 , 78 , 80 , 84 , 85 , 88 , 95 , 95	$55$ , $60$ , $62$ , $68$ , $70$ , $78$ , $80$ , $84$ , $85$ , $88$ , $95$ , $95$
73832	Resolva para x	x^3=27	$x^{3} = 27$
73833	Resolva para x	x^3-11x^2+30x=0	$x^{3} - 11 x^{2} + 30 x = 0$
73834	Trouver le mode	0.229 , 0.212 , 0.199 , 0.335 , 0.229 , 0.212 , 0.300 , 0.299 , 0.289	$0.229$ , $0.212$ , $0.199$ , $0.335$ , $0.229$ , $0.212$ , $0.3$ , $0.299$ , $0.289$
73835	Resolva para x	x^3-13x^2+40x=0	$x^{3} - 13 x^{2} + 40 x = 0$
73836	Trouver le mode	71 , 75 , 74 , 80 , 83 , 86 , 90 , 85 , 81 , 80	$71$ , $75$ , $74$ , $80$ , $83$ , $86$ , $90$ , $85$ , $81$ , $80$
73837	Resolva para x	x^2>=25	$x^{2} \geq 25$
73838	Simplifier	racine carrée de -50x^9	$\sqrt{- 50 x^{9}}$
73839	Trouver le mode	5 , 5 , 5 , 7 , 8 , 12 , 12 , 12 , 150 , 150 , 150	$5$ , $5$ , $5$ , $7$ , $8$ , $12$ , $12$ , $12$ , $150$ , $150$ , $150$
73840	Trouver le mode	8.3 , 4.5 , 6.2 , 9.6 , 4.3 , 11.2 , 5.9 , 9.7 , 10.5	$8.3$ , $4.5$ , $6.2$ , $9.6$ , $4.3$ , $11.2$ , $5.9$ , $9.7$ , $10.5$
73841	Resolva para x	(x+18)/6+(x+9)/9=x-3	$\frac{x + 18}{6} + \frac{x + 9}{9} = x - 3$
73842	Resolva para x	(x+2)/15=(x+1)/5	$\frac{x + 2}{15} = \frac{x + 1}{5}$
73843	Resolva para x	4^(x^2)=64^x	$4^{x^{2}} = 64^{x}$
73844	Resolva para x	4^(2x+1)=64	$4^{2 x + 1} = 64$
73845	Resolva para x	4^(2x+1)=16	$4^{2 x + 1} = 16$
73846	Resolva para x	4^(3x+5)=1/256	$4^{3 x + 5} = \frac{1}{256}$
73847	Resolva para x	4/(x-2)=16/(x^2-4)	$\frac{4}{x - 2} = \frac{16}{x^{2} - 4}$
73848	Déterminer le nombre possible de racines réelles	P(x)=x^3-2x^2-5x+6	$P (x) = x^{3} - 2 x^{2} - 5 x + 6$
73849	Resolva para x	4^(3x-1)=16	$4^{3 x - 1} = 16$
73850	Resolva para x	4^(3x+1)=16	$4^{3 x + 1} = 16$
73851	Resolva para x	4^x=2.5	$4^{x} = 2.5$
73852	Resolva para x	4^x=21	$4^{x} = 21$
73853	Déterminer le nombre possible de racines réelles	n(t)=4t^3-2t^2+8t+5	$n (t) = 4 t^{3} - 2 t^{2} + 8 t + 5$
73854	Resolva para x	4^x=25	$4^{x} = 25$
73855	Resolva para x	4^(x+1)=64	$4^{x + 1} = 64$
73856	Resolva para x	4/5x+4/3=2x	$\frac{4}{5} x + \frac{4}{3} = 2 x$
73857	Déterminer le nombre possible de racines réelles	f(x)=x^3+11x^2+23x-35	$f (x) = x^{3} + 11 x^{2} + 23 x - 35$
73858	Resolva para x	4/5x=16	$\frac{4}{5} x = 16$
73859	Déterminer le nombre possible de racines réelles	f(x)=7x^3-4x^2+9x+3	$f (x) = 7 x^{3} - 4 x^{2} + 9 x + 3$
73860	Resolva para x	(3x+y)/z=2	$\frac{3 x + y}{z} = 2$
73861	Déterminer le nombre possible de racines réelles	f(x)=5x^6+4x^5+3x^4-2x^3+2x^2-x-1	$f (x) = 5 x^{6} + 4 x^{5} + 3 x^{4} - 2 x^{3} + 2 x^{2} - x - 1$
73862	Resolva para x	(3x)/4+(5x)/2=13	$\frac{3 x}{4} + \frac{5 x}{2} = 13$
73863	Resolva para x	36^x+6^(x+1)-27=0	$36^{x} + 6^{x + 1} - 27 = 0$
73864	Déterminer le nombre possible de racines réelles	f(x)=x^3-20x^2+123x-216	$f (x) = x^{3} - 20 x^{2} + 123 x - 216$
73865	Resolva para x	3^(2x)=14	$3^{2 x} = 14$
73866	Resolva para x	3^(3x-6)=27	$3^{3 x - 6} = 27$
73867	Resolva para x	3/(x-1)=6/(x^2-1)	$\frac{3}{x - 1} = \frac{6}{x^{2} - 1}$
73868	Déterminer le nombre possible de racines réelles	f(x)=x^4+2x^3-5x^2-x+6	$f (x) = x^{4} + 2 x^{3} - 5 x^{2} - x + 6$
73869	Déterminer le nombre possible de racines réelles	f(x)=x^3+7x^2+8x+6	$f (x) = x^{3} + 7 x^{2} + 8 x + 6$
73870	Resolva para x	3^(5x+1)=27	$3^{5 x + 1} = 27$
73871	Resolva para x	3^(7x)=27	$3^{7 x} = 27$
73872	Resolva para x	3^x=30	$3^{x} = 30$
73873	Resolva para x	3^x=54	$3^{x} = 54$
73874	Déterminer le nombre possible de racines réelles	f(x)=4x^3-6x^2+9x+10	$f (x) = 4 x^{3} - 6 x^{2} + 9 x + 10$
73875	Resolva para x	3^(x-1)=24	$3^{x - 1} = 24$
73876	Déterminer le nombre possible de racines réelles	f(x)=3x^6-4x^5+2x^4-2x^3+x^2+3	$f (x) = 3 x^{6} - 4 x^{5} + 2 x^{4} - 2 x^{3} + x^{2} + 3$
73877	Resolva para x	3^(x-1)=27	$3^{x - 1} = 27$
73878	Resolva para x	3/5*(x+2)=x-4	$\frac{3}{5} \cdot (x + 2) = x - 4$
73879	Resolva para x	3/5x+16=58	$\frac{3}{5} x + 16 = 58$
73880	Déterminer le nombre possible de racines réelles	f(x)=2x^5-3x^2+x-4	$f (x) = 2 x^{5} - 3 x^{2} + x - 4$
73881	Déterminer le nombre possible de racines réelles	f(x)=2x^5-5x^2+x-3	$f (x) = 2 x^{5} - 5 x^{2} + x - 3$
73882	Resolva para x	7^x=124	$7^{x} = 124$
73883	Déterminer le nombre possible de racines réelles	f(x)=3x^3-13x^2-3x+45	$f (x) = 3 x^{3} - 13 x^{2} - 3 x + 45$
73884	Resolva para x	7^x=6^(x+7)	$7^{x} = 6^{x + 7}$
73885	Resolva para x	6^x=3	$6^{x} = 3$
73886	Déterminer le nombre possible de racines réelles	f(x)=14x^5-5x^3+9x+3	$f (x) = 14 x^{5} - 5 x^{3} + 9 x + 3$
73887	Resolva para x	64^(5x)=16^(x+1)	$64^{5 x} = 16^{x + 1}$
73888	Trouver les facteurs possibles	93	$93$
73889	Resolva para x	64^(3x)=16^(x+3)	$64^{3 x} = 16^{x + 3}$
73890	Trouver les facteurs possibles	94	$94$
73891	Resolva para x	7/15x-1/5=4	$\frac{7}{15} x - \frac{1}{5} = 4$
73892	Resolva para x	(6x)/(x-6)=9+(7x^2)/(x-6)	$\frac{6 x}{x - 6} = 9 + \frac{7 x^{2}}{x - 6}$
73893	Trouver les facteurs possibles	496	$496$
73894	Resolva para x	6/(x-1)+(5x)/(x+1)=5	$\frac{6}{x - 1} + \frac{5 x}{x + 1} = 5$
73895	Trouver les facteurs possibles	594	$594$
73896	Resolva para x	6^(4x)=63	$6^{4 x} = 63$
73897	Trouver les facteurs possibles	6561	$6561$
73898	Resolva para x	6/(x^2-9)-1/(x-3)=1	$\frac{6}{x^{2} - 9} - \frac{1}{x - 3} = 1$
73899	Trouver les facteurs possibles	960	$960$
73900	Resolva para x	(5x)/3-x=x/6-5/2	$\frac{5 x}{3} - x = \frac{x}{6} - \frac{5}{2}$