Mathway | Problèmes fréquents

Problèmes fréquents

Rang	Matière	Problème	Problème de formatage
13001	Resolva para x	x^2-6x-16>0	$x^{2} - 6 x - 16 > 0$
13002	Resolva para x	x^2-6x-7<0	$x^{2} - 6 x - 7 < 0$
13003	Resolva para x	1=(6x^2)/(x^4+9)	$1 = \frac{6 x^{2}}{x^{4} + 9}$
13004	Resolva para x	12x^2-25x+12=0	$12 x^{2} - 25 x + 12 = 0$
13005	Resolva para x	0=(-10x^2+20x+9)/((9-x^2)^2)	$0 = \frac{- 10 x^{2} + 20 x + 9}{{(9 - x^{2})}^{2}}$
13006	Resolva para x	1+5/(x-1)=7/6	$1 + \frac{5}{x - 1} = \frac{7}{6}$
13007	Resolva para x	12x^3-x^4<0	$12 x^{3} - x^{4} < 0$
13008	Resolva para x	2(x+5)-7=3(x-2)	$2 (x + 5) - 7 = 3 (x - 2)$
13009	Resolva para x	2\|x-6\|>28	$2 \| x - 6 \| > 28$
13010	Resolva para x	2x^(1/2)+x^(1/4)=6	$2 x^{\frac{1}{2}} + x^{\frac{1}{4}} = 6$
13011	Resolva para x	2+ racine carrée de x+2=11	$2 + \sqrt{x + 2} = 11$
13012	Resolva para x	-2 logarithme népérien de x = logarithme népérien de 5/2	$- 2 \ln (x) = \ln (\frac{5}{2})$
13013	Resolva para x	(2x+1)/(x-5)<=3	$\frac{2 x + 1}{x - 5} \leq 3$
13014	Resolva para x	3x^2+10x-8=0	$3 x^{2} + 10 x - 8 = 0$
13015	Resolva para x	3x^2-3x-5=0	$3 x^{2} - 3 x - 5 = 0$
13016	Resolva para x	3x^2-4x-7=0	$3 x^{2} - 4 x - 7 = 0$
13017	Resolva para x	3x-10>5x+2	$3 x - 10 > 5 x + 2$
13018	Resolva para x	4 logarithme népérien de x=-16	$4 \ln (x) = - 16$
13019	Resolva para x	21x-5=5(4x+5)-20	$21 x - 5 = 5 (4 x + 5) - 20$
13020	Resolva para x	3\|x-3\|=18	$3 \| x - 3 \| = 18$
13021	Resolva para x	2x-(1-x)=11-x	$2 x - (1 - x) = 11 - x$
13022	Resolva para x	2tan(x)*cos(x)-tan(x)=0	$2 \tan (x) \cdot \cos (x) - \tan (x) = 0$
13023	Resolva para x	3 base logarithmique x de 3+4 base logarithmique x de 2- base logarithmique x de 54=3	$3 \log_{x} (3) + 4 \log_{x} (2) - \log_{x} (54) = 3$
13024	Resolva para x	2x-4=(4x-5)/3	$2 x - 4 = \frac{4 x - 5}{3}$
13025	Resolva para x	3x^3+4x^2-7x+2=0	$3 x^{3} + 4 x^{2} - 7 x + 2 = 0$
13026	Resolva para x	-7x+2>-8x-7	$- 7 x + 2 > - 8 x - 7$
13027	Resolva para x	7+2\|3-2x\|<9	$7 + 2 \| 3 - 2 x \| < 9$
13028	Resolva para x	6x+5<7x+8<13x+14	$6 x + 5 < 7 x + 8 < 13 x + 14$
13029	Resolva para x	7x-3x+(-3x)=14	$7 x - 3 x + (- 3 x) = 14$
13030	Resolva para x	8+3\|10-4x\|<14	$8 + 3 \| 10 - 4 x \| < 14$
13031	Resolva para x	9x^2-12x>-4	$9 x^{2} - 12 x > - 4$
13032	Resolva para x	7 logarithme népérien de x-7+6=7	$7 \ln (x - 7) + 6 = 7$
13033	Resolva para x	8x=11-5(5x-10)	$8 x = 11 - 5 (5 x - 10)$
13034	Resolva para x	8x-1=7x+3	$8 x - 1 = 7 x + 3$
13035	Resolva para x	a(bx-c)=bc	$a (b x - c) = b c$
13036	Resolva para x	8x-3>5x+12	$8 x - 3 > 5 x + 12$
13037	Resolva para x	9e^x=31	$9 e^{x} = 31$
13038	Resolva para x	cos(x)+ racine carrée de 2=-cos(x)	$\cos (x) + \sqrt{2} = - \cos (x)$
13039	Resolva para x	6+2x=4+5x	$6 + 2 x = 4 + 5 x$
13040	Resolva para x	6x-(3x-4)=3x+6	$6 x - (3 x - 4) = 3 x + 6$
13041	Resolva para x	5x-(2x+5)=4x-24	$5 x - (2 x + 5) = 4 x - 24$
13042	Resolva para x	4\|3-2x\|=16	$4 \| 3 - 2 x \| = 16$
13043	Resolva para x	5-(2x-1)=10	$5 - (2 x - 1) = 10$
13044	Resolva para x	5e^(2x)=3	$5 e^{2 x} = 3$
13045	Resolva para X	3y=5X-9	$3 y = 5 X - 9$
13046	Resolva para x	4(2)^(x-2)+2=118	$4 {(2)}^{x - 2} + 2 = 118$
13047	Resolva para x	5*5^(2x)=25^x+100	$5 \cdot 5^{2 x} = 25^{x} + 100$
13048	Resolva para x	5+4 logarithme népérien de x=7	$5 + 4 \ln (x) = 7$
13049	Resolva para x	x^4-3x^3-x^2+3x<=0	$x^{4} - 3 x^{3} - x^{2} + 3 x \leq 0$
13050	Resolva para x	x(2x+7)>=0	$x (2 x + 7) \geq 0$
13051	Resolva para x	m(qx-c)=qc	$m (q x - c) = q c$
13052	Resolva para x	logarithme de x+ logarithme de x^2=3	$\log (x) + \log (x^{2}) = 3$
13053	Resolva para x	logarithme de 8-x>2 logarithme de x+4	$\log (8 - x) > 2 \log (x + 4)$
13054	Resolva para x	logarithme de 9(x-2)+ logarithme de 9(x-2)=1	$\log (9) (x - 2) + \log (9) (x - 2) = 1$
13055	Resolva para x	logarithme de 4x-1 = logarithme de x+1+ logarithme de 2	$\log (4 x - 1) = \log (x + 1) + \log (2)$
13056	Resolva para x	logarithme de 3-2=x	$\log (3) - 2 = x$
13057	Resolva para x	cot(x)=-3/8	$\cot (x) = \frac{- 3}{8}$
13058	Resolva para x	logarithme népérien de x+ = logarithme népérien de x+1 logarithme népérien de 12	$\ln (x) + \ln (x + 1) = \ln (12)$
13059	Simplifier	tan(750)	$\tan (750)$
13060	Simplifier	tan(a)*(cos(a)^2(a))	$\tan (a) \cdot (\cos^{2} (a) (a))$
13061	Simplifier	tan(arccos(x/5))	$\tan (\arccos (\frac{x}{5}))$
13062	Simplifier	((-6x^7y^-3)/(7z^6))^-1	${(\frac{- 6 x^{7} y^{- 3}}{7 z^{6}})}^{- 1}$
13063	Simplifier	tan(25)-(sin(25))/(cos(25))	$\tan (25) - \frac{\sin (25)}{\cos (25)}$
13064	Simplifier	tan(21)	$\tan (21)$
13065	Simplifier	tan(29)(65)	$\tan (29) (65)$
13066	Simplifier	tan(3.4)	$\tan (3.4)$
13067	Simplifier	x^-9*x^7	$x^{- 9} \cdot x^{7}$
13068	Simplifier	tan(-105)	$\tan (- 105)$
13069	Simplifier	tan(x/8)	$\tan (\frac{x}{8})$
13070	Simplifier	tan(1140)	$\tan (1140)$
13071	Simplifier	tan(arcsin(8/7))	$\tan (\arcsin (\frac{8}{7}))$
13072	Simplifier	tan(pi/2-x)cot(x)	$\tan (\frac{π}{2} - x) \cot (x)$
13073	Simplifier	tan(theta)cot(theta)	$\tan (θ) \cot (θ)$
13074	Simplifier	tan(arccot(u))	$\tan (arccot (u))$
13075	Simplifier	racine carrée de sin(x)^4+ racine carrée de x^2	$\sqrt{\sin^{4} (x)} + \sqrt{x^{2}}$
13076	Simplifier	tan((4pi)/3)	$\tan (\frac{4 π}{3})$
13077	Simplifier	tan((21pi)/4)	$\tan (\frac{21 π}{4})$
13078	Simplifier	tan((7pi)/4)-tan((7pi)/6)	$\tan (\frac{7 π}{4}) - \tan (\frac{7 π}{6})$
13079	Simplifier	tan(x)(cos(x))	$\tan (x) (\cos (x))$
13080	Simplifier	tan(x)cos(x)^2	$\tan (x) \cos^{2} (x)$
13081	Simplifier	( racine carrée de 528)/( racine carrée de 3)	$\frac{\sqrt{528}}{\sqrt{3}}$
13082	Simplifier	sin(y+x)-sin(y-x)	$\sin (y + x) - \sin (y - x)$
13083	Simplifier	tan(-t)csc(-t)cos(t)	$\tan (- t) \csc (- t) \cos (t)$
13084	Simplifier	tan(arcsec(u))	$\tan (arcsec (u))$
13085	Simplifier	tan(x)cos(x)csc(x)	$\tan (x) \cdot \cos (x) \cdot \csc (x)$
13086	Simplifier	-tan(x)cos(x)	$- \tan (x) \cos (x)$
13087	Simplifier	tan(x-pi/4)	$\tan (x - \frac{π}{4})$
13088	Simplifier	tan(x)sin(x)+cos(x)	$\tan (x) \sin (x) + \cos (x)$
13089	Simplifier	(r^2)/(r^2)	$\frac{r^{2}}{r^{2}}$
13090	Simplifier	tan(x)csc(x)-tan(x)sin(x)	$\tan (x) \csc (x) - \tan (x) \sin (x)$
13091	Simplifier	x(2x-1)	$x (2 x - 1)$
13092	Simplifier	x(x+1/5)(x-4)	$x (x + \frac{1}{5}) (x - 4)$
13093	Simplifier	x(x-1)(x-1-i)(x-1+i)	$x (x - 1) (x - 1 - i) (x - 1 + i)$
13094	Simplifier	x(x-1)^(-1/2)+2(x-1)^(1/2)	$x {(x - 1)}^{\frac{- 1}{2}} + 2 {(x - 1)}^{\frac{1}{2}}$
13095	Simplifier	x+6/x	$x + \frac{6}{x}$
13096	Simplifier	x+3 racine carrée de x^2+10x+21	$x + 3 \sqrt{x^{2} + 10 x + 21}$
13097	Resolva para a	49=a^2	$49 = a^{2}$
13098	Resolva para a	8(a+4)=6(a-(1-a))	$8 (a + 4) = 6 (a - (1 - a))$
13099	Resolva para a	a(n)=4.9n+9.18	$a (n) = 4.9 n + 9.18$
13100	Resolva para a	14=a(1-1)^2-2	$14 = a {(1 - 1)}^{2} - 2$