Mathway | Problèmes fréquents

Problèmes fréquents

Rang	Matière	Problème	Problème de formatage
107101	Resolva para x	100/(x^2-25)-1=(2x)/(x-5)	$\frac{100}{x^{2} - 25} - 1 = \frac{2 x}{x - 5}$
107102	Resolva para x	10^(1-x)=6^x	$10^{1 - x} = 6^{x}$
107103	Resolva para x	10/(x^2-2x)+4/x=5/(x-2)	$\frac{10}{x^{2} - 2 x} + \frac{4}{x} = \frac{5}{x - 2}$
107104	Resolva para x	1/x-1/y=1/z	$\frac{1}{x} - \frac{1}{y} = \frac{1}{z}$
107105	Resolva para x	1/(x+5)+10/(x^2-25)=1	$\frac{1}{x + 5} + \frac{10}{x^{2} - 25} = 1$
107106	Resolva para x	-30=5(x+1)	$- 30 = 5 (x + 1)$
107107	Resolva para x	1/x+x/2=(x+4)/(2x)	$\frac{1}{x} + \frac{x}{2} = \frac{x + 4}{2 x}$
107108	Resolva para x	1/4*(x-8)=7	$\frac{1}{4} \cdot (x - 8) = 7$
107109	Resolva para x	logarithme népérien de x=-3	$\ln (x) = - 3$
107110	Resolva para x	1/3=5/x-3	$\frac{1}{3} = \frac{5}{x} - 3$
107111	Resolva para z	42=-7(z-3)	$42 = - 7 (z - 3)$
107112	Resolva para x	1/5x+6/5=1/7x+8/7	$\frac{1}{5} x + \frac{6}{5} = \frac{1}{7} x + \frac{8}{7}$
107113	Resolva para x	1/(6x^2)=1/(2x)+7/(6x^2)	$\frac{1}{6 x^{2}} = \frac{1}{2 x} + \frac{7}{6 x^{2}}$
107114	Resolva para x	2/(x+7)=4/x	$\frac{2}{x + 7} = \frac{4}{x}$
107115	Évaluer	racine carrée de 8+ racine carrée de 98+ racine carrée de 72	$\sqrt{8} + \sqrt{98} + \sqrt{72}$
107116	Resolva para x	2/x+4/(x-1)=3	$\frac{2}{x} + \frac{4}{x - 1} = 3$
107117	Resolva para r	-13=r/9+8	$- 13 = \frac{r}{9} + 8$
107118	Resolva para x	2^(x^2-3x)=16	$2^{x^{2} - 3 x} = 16$
107119	Resolva para x	logarithme de x=2	$\log (x) = 2$
107120	Factoriser	n^2-46n+88	$n^{2} - 46 n + 88$
107121	Resolva para x	2^(3x+3)=8^(2x-6)	$2^{3 x + 3} = 8^{2 x - 6}$
107122	Resolva para x	2^(2x-3)=5^(-x-1)	$2^{2 x - 3} = 5^{- x - 1}$
107123	Factoriser	18v^2-15v-18	$18 v^{2} - 15 v - 18$
107124	Resolva para x	2^(x-8)=1/8	$2^{x - 8} = \frac{1}{8}$
107125	Resolva para x	2^(x-3)=4	$2^{x - 3} = 4$
107126	Resolva para x	2^x=29	$2^{x} = 29$
107127	Resolva para x	2^x=100	$2^{x} = 100$
107128	Simplifier	racine carrée de 27a	$\sqrt{27 a}$
107129	Resolva para x	21^(x-3)=14	$21^{x - 3} = 14$
107130	Resolva para x	256^(5x)=64^(x+4)	$256^{5 x} = 64^{x + 4}$
107131	Resolva para x	27^(5x)=9^(x+2)	$27^{5 x} = 9^{x + 2}$
107132	Évaluer	sin(pi)	$\sin (π)$
107133	Resolva para x	(2x)/3=12	$\frac{2 x}{3} = 12$
107134	Resolva para x	(2x+7)/3=(4x+5)/2	$\frac{2 x + 7}{3} = \frac{4 x + 5}{2}$
107135	Resolva para p	9(p-4)=-18	$9 (p - 4) = - 18$
107136	Resolva para x	base logarithmique 27 de 5x-1=1/3	$\log_{27} (5 x - 1) = \frac{1}{3}$
107137	Resolva para x	(2x)/(x+4)=3/(x-1)	$\frac{2 x}{x + 4} = \frac{3}{x - 1}$
107138	Resolva para x	18/(x^2-3x)-6/(x-3)=5/x	$\frac{18}{x^{2} - 3 x} - \frac{6}{x - 3} = \frac{5}{x}$
107139	Resolva para b	-11b+7=40	$- 11 b + 7 = 40$
107140	Resolva para x	18^x=1	$18^{x} = 1$
107141	Resolva para x	-2/5x=4/15	$- \frac{2}{5} x = \frac{4}{15}$
107142	Resolva para x	-2/5x=1/5	$- \frac{2}{5} x = \frac{1}{5}$
107143	Resolva para x	2/5x+1/6x=1	$\frac{2}{5} x + \frac{1}{6} x = 1$
107144	Resolva para x	2/5x+1/7x=1	$\frac{2}{5} x + \frac{1}{7} x = 1$
107145	Factoriser	n^2-19n+88	$n^{2} - 19 n + 88$
107146	Resolva para x	2/5x+1/8x=1	$\frac{2}{5} x + \frac{1}{8} x = 1$
107147	Resolva para x	2/5+3/(5x)=(x+5)/10	$\frac{2}{5} + \frac{3}{5 x} = \frac{x + 5}{10}$
107148	Trouver la fonction réciproque	y=-3/(x+4)	$y = \frac{- 3}{x + 4}$
107149	Resolva para x	2/5=6/x-2	$\frac{2}{5} = \frac{6}{x} - 2$
107150	Resolva para x	2/5=x/10	$\frac{2}{5} = \frac{x}{10}$
107151	Resolva para g	3=g/-4-5	$3 = \frac{g}{- 4} - 5$
107152	Resolva para x	2/3x=9	$\frac{2}{3} x = 9$
107153	Resolva para x	15^x=5^(x+3)	$15^{x} = 5^{x + 3}$
107154	Resolva para x	16^(2x+1)=64^(x+3)	$16^{2 x + 1} = 64^{x + 3}$
107155	Resolva para x	16^(3x)=64^(x+2)	$16^{3 x} = 64^{x + 2}$
107156	Resolva para w	-4(w+1)=-24	$- 4 (w + 1) = - 24$
107157	Resolva para x	12^x=4^(x+2)	$12^{x} = 4^{x + 2}$
107158	Resolva para f	d=1/2fk	$d = \frac{1}{2} f k$
107159	Resolva para x	13/2x+3/4=11/2x+7/4	$\frac{13}{2} x + \frac{3}{4} = \frac{11}{2} x + \frac{7}{4}$
107160	Resolva para k	D=1/2fk	$D = \frac{1}{2} f k$
107161	Resolva para x	125^(3-2x)=5^(x-1)	$125^{3 - 2 x} = 5^{x - 1}$
107162	Resolva para f	D=1/2fk	$D = \frac{1}{2} f k$
107163	Resolva para x	110/28.4=x/45.44	$\frac{110}{28.4} = \frac{x}{45.44}$
107164	Simplifier	racine carrée de 25ab^6	$\sqrt{25 a b^{6}}$
107165	Resolva para x	11^(5x)=33	$11^{5 x} = 33$
107166	Résoudre en utilisant la formule quadratique	x^2-2x+12=5x+2	$x^{2} - 2 x + 12 = 5 x + 2$
107167	Resolva para a	5a+4(3a-8)=4+13a	$5 a + 4 (3 a - 8) = 4 + 13 a$
107168	Resolva para a	6-4a=a-11	$6 - 4 a = a - 11$
107169	Resolva para a	6-5a=a-17	$6 - 5 a = a - 17$
107170	Resolva para a	7a-b=15a	$7 a - b = 15 a$
107171	Resolva para j	j/-2+7=-12	$\frac{j}{- 2} + 7 = - 12$
107172	Resolva para a	8a+a-3=6a-2a-3	$8 a + a - 3 = 6 a - 2 a - 3$
107173	Resolva para h	h/6-1=-3	$\frac{h}{6} - 1 = - 3$
107174	Resolva para a	8a-9=7a-6	$8 a - 9 = 7 a - 6$
107175	Resolva para a	a(a+3)+a(a-6)+35=a(a-5)+a(a+7)	$a (a + 3) + a (a - 6) + 35 = a (a - 5) + a (a + 7)$
107176	Resolva para a	a(n)=(2)^(n-1)	$a (n) = {(2)}^{n - 1}$
107177	Resolva para t	2(t+1)=10	$2 (t + 1) = 10$
107178	Resolva para A	BA+C=D	$B A + C = D$
107179	Factoriser	28-7x^2	$28 - 7 x^{2}$
107180	Resolva para b	1/2b+4=1/8b+88	$\frac{1}{2} b + 4 = \frac{1}{8} b + 88$
107181	Simplifier	racine carrée de 72x^3z^3	$\sqrt{72 x^{3} z^{3}}$
107182	Resolva para b	1/r+1/s=1/b	$\frac{1}{r} + \frac{1}{s} = \frac{1}{b}$
107183	Resolva para b	2/3*(9b-27)=36	$\frac{2}{3} \cdot (9 b - 27) = 36$
107184	Factoriser	4z^2+4z-3	$4 z^{2} + 4 z - 3$
107185	Resolva para b	b/3+1/8=19	$\frac{b}{3} + \frac{1}{8} = 19$
107186	Écrire sous forme usuelle	i^30	$i^{30}$
107187	Resolva para x	base logarithmique 27 de 3x-1=1/3	$\log_{27} (3 x - 1) = \frac{1}{3}$
107188	Resolva para a	\|6+3a\|=15	$\| 6 + 3 a \| = 15$
107189	Resolva para a	3^a=69	$3^{a} = 69$
107190	Resolva para x	logarithme de 5- logarithme de 2x=1	$\log (5) - \log (2 x) = 1$
107191	Resolva para a	5=4a-7	$5 = 4 a - 7$
107192	Resolva para a	5(12-(6-3a)-2a)=2(1-a)	$5 (12 - (6 - 3 a) - 2 a) = 2 (1 - a)$
107193	Factoriser	640-10x^2	$640 - 10 x^{2}$
107194	Resolva para a	2(3a+2)=-8	$2 (3 a + 2) = - 8$
107195	Resolva para a	a/b=c/d	$\frac{a}{b} = \frac{c}{d}$
107196	Resolva para t	13=2f+5	$13 = 2 f + 5$
107197	Resolva para a	a/7=(a-5)/2	$\frac{a}{7} = \frac{a - 5}{2}$
107198	Resolva para f	13=2f+5	$13 = 2 f + 5$
107199	Resolva para a	a^2+9^2=15^2	$a^{2} + 9^{2} = 15^{2}$
107200	Factoriser	6y^2-24y+18	$6 y^{2} - 24 y + 18$