Mathway | Problèmes fréquents

Problèmes fréquents

Rang	Matière	Problème	Problème de formatage
11101	Resolva para x	x^3+2x^2-x-2=0	$x^{3} + 2 x^{2} - x - 2 = 0$
11102	Resolva para x	x^3+4x^2-15x-18=0	$x^{3} + 4 x^{2} - 15 x - 18 = 0$
11103	Resolva para x	x^3+4x^2-2x-8=0	$x^{3} + 4 x^{2} - 2 x - 8 = 0$
11104	Resolva para x	x^3+4x^2-9x-36=0	$x^{3} + 4 x^{2} - 9 x - 36 = 0$
11105	Resolva para x	x^3=1/8	$x^{3} = \frac{1}{8}$
11106	Resolva para x	x^3+7x^2-21x-27=0	$x^{3} + 7 x^{2} - 21 x - 27 = 0$
11107	Resolva para x	x^3+x-3=0	$x^{3} + x - 3 = 0$
11108	Resolva para x	x^2-2(a+1)x+3a+2=0	$x^{2} - 2 (a + 1) x + 3 a + 2 = 0$
11109	Resolva para x em Radianos	tan(x) = square root of 3	$\cos (θ) \cos (2 θ) + \sin (θ) \sin (2 θ) = \frac{1}{2}$
11110	Resolva para x	x^2=-4x-4	$x^{2} = - 4 x - 4$
11111	Resolva para x	x^2-4ix=0	$x^{2} - 4 i x = 0$
11112	Resolva para x	x^2-4=3x+14	$x^{2} - 4 = 3 x + 14$
11113	Resolva para x	x^2-24=0	$x^{2} - 24 = 0$
11114	Resolva para x	x^2=24y	$x^{2} = 24 y$
11115	Resolva para x	x^2=25x	$x^{2} = 25 x$
11116	Resolva para x	x^2=15x	$x^{2} = 15 x$
11117	Resolva para x	x^2=10x	$x^{2} = 10 x$
11118	Resolva para x	x^6-13x^3+40=0	$x^{6} - 13 x^{3} + 40 = 0$
11119	Resolva para x	(x+1)/x+(x^2+2x-48)/(x^2-2x)=1/(x-2)	$\frac{x + 1}{x} + \frac{x^{2} + 2 x - 48}{x^{2} - 2 x} = \frac{1}{x - 2}$
11120	Resolva para x	(x+1)/(x-1)=(3x)/(3x-6)	$\frac{x + 1}{x - 1} = \frac{3 x}{3 x - 6}$
11121	Resolva para x	(x+1)/(x-1)=(x+2)/(x-3)	$\frac{x + 1}{x - 1} = \frac{x + 2}{x - 3}$
11122	Resolva para x	(x+3)/x+(7x)/(x+3)=23/4	$\frac{x + 3}{x} + \frac{7 x}{x + 3} = \frac{23}{4}$
11123	Resolva para x	(x+5)/4=3/2-(x-1)/5	$\frac{x + 5}{4} = \frac{3}{2} - \frac{x - 1}{5}$
11124	Resolva para x	(x+3)/(x-2)=5/(x-2)	$\frac{x + 3}{x - 2} = \frac{5}{x - 2}$
11125	Resolva para x	(x+7)/8=(x+8)/9	$\frac{x + 7}{8} = \frac{x + 8}{9}$
11126	Resolva para x	(x-2)/(x+1)+(2x-7)/(x-6)=(x-3)/(x^2-5x-6)	$\frac{x - 2}{x + 1} + \frac{2 x - 7}{x - 6} = \frac{x - 3}{x^{2} - 5 x - 6}$
11127	Resolva para x	(x-5)/(x+1)=3/5	$\frac{x - 5}{x + 1} = \frac{3}{5}$
11128	Resolva para x	\|3x-2\|+3=3	$\| 3 x - 2 \| + 3 = 3$
11129	Resolva para x	0.60x+0.40(100-x)=50	$0.6 x + 0.4 (100 - x) = 50$
11130	Resolva para x	-1x=2x+2	$- 1 x = 2 x + 2$
11131	Resolva para x	0 = log base 3 of 2x+1-3	$0 = \log_{3} (2 x + 1) - 3$
11132	Resolva para x	(x-6)/-3+(x+9)/9=x+4	$\frac{x - 6}{- 3} + \frac{x + 9}{9} = x + 4$
11133	Resolva para x	0=x^3-25x^2-25x+625	$0 = x^{3} - 25 x^{2} - 25 x + 625$
11134	Resolva para x	(x-2)/3+(x+5)/2=1/3	$\frac{x - 2}{3} + \frac{x + 5}{2} = \frac{1}{3}$
11135	Resolva para x	1000=500e^(0.02*(10x))	$1000 = 500 e^{0.02 \cdot (10 x)}$
11136	Resolva para x	12x^2-176x+420=0	$12 x^{2} - 176 x + 420 = 0$
11137	Resolva para x	125=25^(x-1)	$125 = 25^{x - 1}$
11138	Resolva para x	12x-10*0=18	$12 x - 10 \cdot 0 = 18$
11139	Resolva para x	12x-7=12/x	$12 x - 7 = \frac{12}{x}$
11140	Resolva para x	13cos(x)+7=-cos(x)	$13 \cos (x) + 7 = - \cos (x)$
11141	Resolva para x	12 = logarithme de 4x	$12 = \log (4 x)$
11142	Resolva para x	1250=1/10x(300-x)	$1250 = \frac{1}{10} x (300 - x)$
11143	Resolva para x	12x^3+53x^2-34x+5=0	$12 x^{3} + 53 x^{2} - 34 x + 5 = 0$
11144	Resolva para x	125=5^x	$125 = 5^{x}$
11145	Resolva para x	10x=3.5	$10 x = 3.5$
11146	Resolva para x	10cos(x)-5 racine carrée de 2=0	$10 \cos (x) - 5 \sqrt{2} = 0$
11147	Resolva para x	-1-16=(4 racine carrée de 3x+12)^2	$- 1 - 16 = {(4 \sqrt{3 x + 12})}^{2}$
11148	Resolva para x	0=cos(x)	$0 = \cos (x)$
11149	Resolva para x	0 = natural log of x+3	$0 = \ln (x + 3)$
11150	Resolva para x	0 = logarithme de x+2	$0 = \log (x + 2)$
11151	Resolva para x	-75=3x^3-x+3	$- 75 = 3 x^{3} - x + 3$
11152	Resolva para x	1-11/x+24/(x^2)=0	$1 - \frac{11}{x} + \frac{24}{x^{2}} = 0$
11153	Resolva para x	1.4=x^3	$1.4 = x^{3}$
11154	Resolva para x	1-8/x+12/(x^2)=0	$1 - \frac{8}{x} + \frac{12}{x^{2}} = 0$
11155	Resolva para x	1= base logarithmique 4 de 2+ base logarithmique 4 de 3+x	$1 = \log_{4} (2) + \log_{4} (3 + x)$
11156	Resolva para x	-10+ base logarithmique 3 de x+3=-10	$- 10 + \log_{3} (x + 3) = - 10$
11157	Resolva para x	100(1.05)^x=200(1.09)^(3x)	$100 {(1.05)}^{x} = 200 {(1.09)}^{3 x}$
11158	Resolva para x	10e^x-15-45e^(-x)=0	$10 e^{x} - 15 - 45 e^{- x} = 0$
11159	Resolva para x	10-13/x=4+5/x	$10 - \frac{13}{x} = 4 + \frac{5}{x}$
11160	Resolva para x	(x-8)^2=(x+2)^2	${(x - 8)}^{2} = {(x + 2)}^{2}$
11161	Resolva para x	10cos(x)^2+7cos(x)+1=0	$10 \cos^{2} (x) + 7 \cos (x) + 1 = 0$
11162	Resolva para x	10e^(-0.03x)=4	$10 e^{- 0.03 x} = 4$
11163	Resolva para x	100=25e^(3x)	$100 = 25 e^{3 x}$
11164	Resolva para x	x^3-3x^2-x=-3	$x^{3} - 3 x^{2} - x = - 3$
11165	Resolva para x	2(x-5)^2=17	$2 {(x - 5)}^{2} = 17$
11166	Resolva para x	2\|3-x\|+5=9	$2 \| 3 - x \| + 5 = 9$
11167	Resolva para x	2(1.10)^x+1=10	$2 {(1.1)}^{x} + 1 = 10$
11168	Resolva para X	2(4+X)=12	$2 (4 + X) = 12$
11169	Resolva para x	2(-4x-7)=-x-35	$2 (- 4 x - 7) = - x - 35$
11170	Resolva para x	2.5 = logarithme de x	$2.5 = \log (x)$
11171	Resolva para x	249^x+47^x+5=0	$2 \cdot 49^{x} + 4 \cdot 7^{x} + 5 = 0$
11172	Resolva para x	2(10^(-x/3))=20	$2 (10^{- \frac{x}{3}}) = 20$
11173	Resolva para x	175000=25x+40(6000-x)	$175000 = 25 x + 40 (6000 - x)$
11174	Resolva para x	2(3^(2-x))=38	$2 (3^{2 - x}) = 38$
11175	Resolva para x	2(3^(x+1))+8=108	$2 (3^{x + 1}) + 8 = 108$
11176	Resolva para x	1- logarithme de x-2 = logarithme de 3x+1	$1 - \log (x - 2) = \log (3 x + 1)$
11177	Resolva para x	2(2x-3)=4x-6	$2 (2 x - 3) = 4 x - 6$
11178	Resolva para x	2(7-3x)=1/4	$2 (7 - 3 x) = \frac{1}{4}$
11179	Resolva para x	2(x-1)=5(x+1)-3	$2 (x - 1) = 5 (x + 1) - 3$
11180	Resolva para x	16cos(x-4)^2=0	$16 \cos^{2} (x - 4) = 0$
11181	Resolva para x	16arcsin(x)=4pi	$16 \arcsin (x) = 4 π$
11182	Resolva para x	15x^(2/3)-11x^(1/3)+2=0	$15 x^{\frac{2}{3}} - 11 x^{\frac{1}{3}} + 2 = 0$
11183	Resolva para x	15000=7500e^(0.07x)	$15000 = 7500 e^{0.07 x}$
11184	Resolva para x	14tan(x)+12=13(1+tan(x))	$14 \tan (x) + 12 = 13 (1 + \tan (x))$
11185	Resolva para x	15(x+4)^4-23(x+4)^2=-4	$15 {(x + 4)}^{4} - 23 {(x + 4)}^{2} = - 4$
11186	Resolva para x	15x^3-119x^2-10x+16=0	$15 x^{3} - 119 x^{2} - 10 x + 16 = 0$
11187	Resolva para x	1400=200(1+x/4)^60	$1400 = 200 {(1 + \frac{x}{4})}^{60}$
11188	Resolva para x	1-6 logarithme de 6x-7=13	$1 - 6 \log (6 x - 7) = 13$
11189	Resolva para x	18- base logarithmique 2 de x-4=7	$18 - \log_{2} (x - 4) = 7$
11190	Resolva para x	9^x-12*3^x+11=0	$9^{x} - 12 \cdot 3^{x} + 11 = 0$
11191	Resolva para x	(5x-4)/(5x+4)=2/3	$\frac{5 x - 4}{5 x + 4} = \frac{2}{3}$
11192	Resolva para x	2sin(x)^2-5sin(x)-3=0	$2 \sin^{2} (x) - 5 \sin (x) - 3 = 0$
11193	Resolva para x	2sin(x)^3+9sin(x)^2=5sin(x)	$2 \sin^{3} (x) + 9 \sin^{2} (x) = 5 \sin (x)$
11194	Resolva para x	2tan(x)^2+9tan(x)+7=0	$2 \tan^{2} (x) + 9 \tan (x) + 7 = 0$
11195	Resolva para x	2 base logarithmique 4 de x = base logarithmique 4 de 9	$2 \log_{4} (x) = \log_{4} (9)$
11196	Resolva para x	2sin(x)^2+11sin(x)-6=0	$2 \sin^{2} (x) + 11 \sin (x) - 6 = 0$
11197	Resolva para x	2sin(x)^2+7sin(x)+3=0	$2 \sin^{2} (x) + 7 \sin (x) + 3 = 0$
11198	Resolva para x	2sec(x)^2-2=0	$2 \sec^{2} (x) - 2 = 0$
11199	Resolva para x	2 base logarithmique 9 de x=- base logarithmique 9 de 81	$2 \log_{9} (x) = - \log_{9} (81)$
11200	Resolva para x	2 base logarithmique 5 de 3x=4	$2 \log_{5} (3 x) = 4$