Mathway | Problèmes fréquents

Problèmes fréquents

Rang	Matière	Problème	Problème de formatage
102101	Encontre g(f(x))	f(x)=2x+8 , g(x)=5x-6	$f (x) = 2 x + 8$ , $g (x) = 5 x - 6$
102102	Factoriser	2x^3+x^2+12x+6	$2 x^{3} + x^{2} + 12 x + 6$
102103	Encontre g(f(x))	f(x)=(2-x)/x , g(x)=2/(x+1)	$f (x) = \frac{2 - x}{x}$ , $g (x) = \frac{2}{x + 1}$
102104	Factoriser	2x^3y^4-8x^2y^3+6xy^2	$2 x^{3} y^{4} - 8 x^{2} y^{3} + 6 x y^{2}$
102105	Encontre g(f(x))	f(x)=6x-3 , g(x)=5/(x+3)	$f (x) = 6 x - 3$ , $g (x) = \frac{5}{x + 3}$
102106	Factoriser	2x^3-x^2-5x-2	$2 x^{3} - x^{2} - 5 x - 2$
102107	Factoriser	2x^3+2x^2-4x	$2 x^{3} + 2 x^{2} - 4 x$
102108	Factoriser	2x^3+26x^2+72x	$2 x^{3} + 26 x^{2} + 72 x$
102109	Encontre g(f(x))	f(x)=2x+1 g(x)=-5x+2	$f (x) = 2 x + 1$ $g (x) = - 5 x + 2$
102110	Factoriser	2x^3+x^2-72x-36	$2 x^{3} + x^{2} - 72 x - 36$
102111	Factoriser	2x^3+11x^2+12x	$2 x^{3} + 11 x^{2} + 12 x$
102112	Factoriser	2x^3+11x^2+15x	$2 x^{3} + 11 x^{2} + 15 x$
102113	Factoriser	2x^3-12x^2+5x-30	$2 x^{3} - 12 x^{2} + 5 x - 30$
102114	Factoriser	2x^3-12x^2y-14xy^2	$2 x^{3} - 12 x^{2} y - 14 x y^{2}$
102115	Factoriser	2x^3-24x^2+64x	$2 x^{3} - 24 x^{2} + 64 x$
102116	Factoriser	-2x^3-2x^2+40x	$- 2 x^{3} - 2 x^{2} + 40 x$
102117	Factoriser	2x^3+6x^2-14x	$2 x^{3} + 6 x^{2} - 14 x$
102118	Factoriser	2x^3+6x^2+2x+6	$2 x^{3} + 6 x^{2} + 2 x + 6$
102119	Multiplier	racine carrée de 21* racine carrée de 3	$\sqrt{21} \cdot \sqrt{3}$
102120	Encontre g(f(x))	f(x)=4x-3 , g(x)=3x^2-2	$f (x) = 4 x - 3$ , $g (x) = 3 x^{2} - 2$
102121	Factoriser	2w^2-3w-65	$2 w^{2} - 3 w - 65$
102122	Encontre g(f(x))	f(x)=3x-5 , g(x)=4x^2-2	$f (x) = 3 x - 5$ , $g (x) = 4 x^{2} - 2$
102123	Factoriser	2w^2-4w+9	$2 w^{2} - 4 w + 9$
102124	Factoriser	2w^2-3w-14	$2 w^{2} - 3 w - 14$
102125	Factoriser	2v^4-32	$2 v^{4} - 32$
102126	Encontre g(f(x))	f(x)=8x , g(x)=x+8	$f (x) = 8 x$ , $g (x) = x + 8$
102127	Factoriser	2v^4w^4-2w^4	$2 v^{4} w^{4} - 2 w^{4}$
102128	Encontre g(f(x))	f(x)=56 , g(x)=0.14	$f (x) = 56$ , $g (x) = 0.14$
102129	Factoriser	2r^2-3r-20	$2 r^{2} - 3 r - 20$
102130	Factoriser	2t^2+5t-3	$2 t^{2} + 5 t - 3$
102131	Factoriser	2t^3+8t^2-24t	$2 t^{3} + 8 t^{2} - 24 t$
102132	Factoriser	2n^2-32n	$2 n^{2} - 32 n$
102133	Factoriser	2n^2+5n-12	$2 n^{2} + 5 n - 12$
102134	Factoriser	2x^2-24x-64	$2 x^{2} - 24 x - 64$
102135	Factoriser	2x^2-22x+20	$2 x^{2} - 22 x + 20$
102136	Factoriser	2x^2-19x+30	$2 x^{2} - 19 x + 30$
102137	Factoriser	2x^2-17xy+35y^2	$2 x^{2} - 17 x y + 35 y^{2}$
102138	Factoriser	2x^2-16x	$2 x^{2} - 16 x$
102139	Factoriser	2x^2+5x-4	$2 x^{2} + 5 x - 4$
102140	Encontre g(f(x))	f(x)=8x-4 , g(x)=(x+8)/4	$f (x) = 8 x - 4$ , $g (x) = \frac{x + 8}{4}$
102141	Encontre g(f(x))	f(x)=9x-5 , g(x)=(x+5)/9	$f (x) = 9 x - 5$ , $g (x) = \frac{x + 5}{9}$
102142	Factoriser	2x^2+7x+15	$2 x^{2} + 7 x + 15$
102143	Encontre g(f(x))	f(x)=1/(x+1) , g(x)=(1-x)/x	$f (x) = \frac{1}{x + 1}$ , $g (x) = \frac{1 - x}{x}$
102144	Factoriser	2x^2+7x-6	$2 x^{2} + 7 x - 6$
102145	Factoriser	2x^2+6x-216	$2 x^{2} + 6 x - 216$
102146	Encontre g(f(x))	f(x)=-7x-8 , g(x)=-2x+9	$f (x) = - 7 x - 8$ , $g (x) = - 2 x + 9$
102147	Factoriser	2x^2+8x+5	$2 x^{2} + 8 x + 5$
102148	Factoriser	2x^2+9	$2 x^{2} + 9$
102149	Encontre g(f(x))	f(x)=2x-3 g(x)=x+8	$f (x) = 2 x - 3$ $g (x) = x + 8$
102150	Factoriser	2x^2+28x+90	$2 x^{2} + 28 x + 90$
102151	Factoriser	2x^2+2x-3	$2 x^{2} + 2 x - 3$
102152	Factoriser	2x^2+23x+45	$2 x^{2} + 23 x + 45$
102153	Factoriser	2x^2+2xy-3x-3y	$2 x^{2} + 2 x y - 3 x - 3 y$
102154	Factoriser	-2x^2+4x-3	$- 2 x^{2} + 4 x - 3$
102155	Factoriser	2x^2+4x+9	$2 x^{2} + 4 x + 9$
102156	Encontre g(f(x))	f(x)=7x-5 g(x)=(x+5)/7	$f (x) = 7 x - 5$ $g (x) = \frac{x + 5}{7}$
102157	Factoriser	2x^2+4x+3x+6	$2 x^{2} + 4 x + 3 x + 6$
102158	Factoriser	2x^2+50	$2 x^{2} + 50$
102159	Factoriser	2x^2+15xy+28y^2	$2 x^{2} + 15 x y + 28 y^{2}$
102160	Factoriser	2x^2+19x+45	$2 x^{2} + 19 x + 45$
102161	Encontre g(f(x))	f(x) = square root of x-3 , g(x)=x+5	$f (x) = \sqrt{x - 3}$ , $g (x) = x + 5$
102162	Encontre g(f(x))	f(x)=x-5 g(x)=x-3	$f (x) = x - 5$ $g (x) = x - 3$
102163	Multiplier	1/6*1/6	$\frac{1}{6} \cdot \frac{1}{6}$
102164	Encontre g(f(x))	f(x) = natural log of X , g(x)=e^(7x) , h(x)=x^8	$f (x) = \ln (X)$ , $g (x) = e^{7 x}$ , $h (x) = x^{8}$
102165	Simplifier	racine quatrième de (5a^3)/(6b)	$\sqrt[4]{\frac{5 a^{3}}{6 b}}$
102166	Resolva para x	x^3-12x^2+35x=0	$x^{3} - 12 x^{2} + 35 x = 0$
102167	Encontre g(f(x))	f(x)=3x+2 , g(x)=2x-3	$f (x) = 3 x + 2$ , $g (x) = 2 x - 3$
102168	Transformer en un intervalle	x^3+x^2+16x+16<0	$x^{3} + x^{2} + 16 x + 16 < 0$
102169	Resolva para x	9(3x+6)=-(x-2)	$9 (3 x + 6) = - (x - 2)$
102170	Encontre g(f(x))	f(x)=x/(4+7x) , g(x)=x/(4-7x)	$f (x) = \frac{x}{4 + 7 x}$ , $g (x) = \frac{x}{4 - 7 x}$
102171	Resolva para x	(3x)/2=15	$\frac{3 x}{2} = 15$
102172	Resolva para n	(8n-(-2))/7=6	$\frac{8 n - (- 2)}{7} = 6$
102173	Transformer en un intervalle	-3<(4x-6)/5<0	$- 3 < \frac{4 x - 6}{5} < 0$
102174	Encontre g(f(x))	f(x)=5x-5 , g(x)=x^2-1	$f (x) = 5 x - 5$ , $g (x) = x^{2} - 1$
102175	Encontre g(f(x))	f(x)=2x+8 g(x)=x^4(g^of)(-3)	$f (x) = 2 x + 8$ $g (x) = x^{4} (g^{o} f) (- 3)$
102176	Resolva para g	g=(2d)/26	$g = \frac{2 d}{26}$
102177	Simplifier	- racine carrée de 128	$- \sqrt{128}$
102178	Encontre g(f(x))	f(x)=6x-7 , g(x)=x-6	$f (x) = 6 x - 7$ , $g (x) = x - 6$
102179	Transformer en un intervalle	\|x\|>-2	$\| x \| > - 2$
102180	Resolva para x	\|3x\|>=0	$\| 3 x \| \geq 0$
102181	Simplifier	( racine carrée de 30)/( racine carrée de 6)	$\frac{\sqrt{30}}{\sqrt{6}}$
102182	Transformer en un intervalle	\|x\|<1	$\| x \| < 1$
102183	Encontre g(f(x))	f(x)=x^2+4 , g(x) = square root of x-4	$f (x) = x^{2} + 4$ , $g (x) = \sqrt{x - 4}$
102184	Simplifier	(25x^(3/4))^(1/2)	${(25 x^{\frac{3}{4}})}^{\frac{1}{2}}$
102185	Transformer en un intervalle	-7x<28	$- 7 x < 28$
102186	Encontre g(f(x))	g(x)=x^2+7x-3 , f(x)=x^3	$g (x) = x^{2} + 7 x - 3$ , $f (x) = x^{3}$
102187	Encontre g(f(x))	f(x)=(11+x)/(11-x) , g(x)=(11x)/(11-x)	$f (x) = \frac{11 + x}{11 - x}$ , $g (x) = \frac{11 x}{11 - x}$
102188	Encontre g(f(x))	f(x)=8x-5 g(x)=(x+5)/8	$f (x) = 8 x - 5$ $g (x) = \frac{x + 5}{8}$
102189	Transformer en un intervalle	y<3	$y < 3$
102190	Encontre g(f(x))	f(x)=2/3x-5 , g(x)=(3x-15)/2	$f (x) = \frac{2}{3} x - 5$ , $g (x) = \frac{3 x - 15}{2}$
102191	Encontre g(f(x))	f(x)=5-x , g(x)=4x^2+x+7	$f (x) = 5 - x$ , $g (x) = 4 x^{2} + x + 7$
102192	Évaluer la fonction	f(-2)=3x-1	$f (- 2) = 3 x - 1$
102193	Évaluer la fonction	f(-1)=2x^2-x-1	$f (- 1) = 2 x^{2} - x - 1$
102194	Transformer en un intervalle	-70<2x-10<50	$- 70 < 2 x - 10 < 50$
102195	Trouver la fonction réciproque	f(x)=(x+3)/7	$f (x) = \frac{x + 3}{7}$
102196	Transformer en un intervalle	y<4	$y < 4$
102197	Évaluer la fonction	f(0)=x^2-4	$f (0) = x^{2} - 4$
102198	Évaluer la fonction	f(0)=2x	$f (0) = 2 x$
102199	Encontre g(f(x))	f(x)=6-3x , g(x)=-8x^2+3	$f (x) = 6 - 3 x$ , $g (x) = - 8 x^{2} + 3$
102200	Transformer en un intervalle	9x-7i>3(3x-7u)	$9 x - 7 i > 3 (3 x - 7 u)$