Mathway | Problèmes fréquents

Problèmes fréquents

Rang	Matière	Problème	Problème de formatage
188001	Resolva para a	6(a-5)=105	$6 (a - 5) = 105$
188002	Resolva o Sistema de Inequalities	-x+4>=3 and -2x+3<9	$- x + 4 \geq 3$ and $- 2 x + 3 < 9$
188003	Simplifier	(2i)^7*(-5i^9)^2	${(2 i)}^{7} \cdot {(- 5 i^{9})}^{2}$
188004	Factoriser	13x^2-42-x^4	$13 x^{2} - 42 - x^{4}$
188005	Simplifier	(x^2+y^2)^3	${(x^{2} + y^{2})}^{3}$
188006	Simplifier	(3^8)^4	${(3^{8})}^{4}$
188007	Évaluer	(6pi)/(2pi)	$\frac{6 π}{2 π}$
188008	Resolva para a	P=a+b+c ; solve for a	$P = a + b + c$ ; solve for $a$
188009	Simplifier	(x^2+2x)/(6-x^2)	$\frac{x^{2} + 2 x}{6 - x^{2}}$
188010	Resolva o Sistema de Inequalities	5x-19<=1 ; OR , -4x+3<-6	$5 x - 19 \leq 1$ ; OR , $- 4 x + 3 < - 6$
188011	Simplifier	(47y^(4a)+3y^(3a)+22y^(2a)+y^a+1)+(37y^(3a)-8y^(2a)+3)	$(47 y^{4 a} + 3 y^{3 a} + 22 y^{2 a} + y^{a} + 1) + (37 y^{3 a} - 8 y^{2 a} + 3)$
188012	Resolva para a	-8(a-4)+3a=2(4a+9)+1	$- 8 (a - 4) + 3 a = 2 (4 a + 9) + 1$
188013	Resolva para x	8x=-4-4x^2	$8 x = - 4 - 4 x^{2}$
188014	Resolva para x	4(1/3)^x=4/27	$4 {(\frac{1}{3})}^{x} = \frac{4}{27}$
188015	Tracer	y=- racine carrée de 1/4x+3	$y = - \sqrt{\frac{1}{4} x} + 3$
188016	Combiner les termes similaires	(2x+5)(2x-5)	$(2 x + 5) (2 x - 5)$
188017	Simplifier	12(c-3)+27+c-9c	$12 (c - 3) + 27 + c - 9 c$
188018	Simplifier	logarithme népérien de e^(3x)	$\ln (e^{3 x})$
188019	Resolva para x	5x+6x-81=7x+102+65x	$5 x + 6 x - 81 = 7 x + 102 + 65 x$
188020	Convertir en un nombre décimal	220deg	$220$ degrees
188021	Évaluer	8k-5(-5k+3)	$8 k - 5 (- 5 k + 3)$
188022	Resolva para x	\|4x-15\|=\|x\|	$\| 4 x - 15 \| = \| x \|$
188023	Resolva para k	x^2-kx+49=0	$x^{2} - k x + 49 = 0$
188024	Écrire sous forme usuelle	5x+6y=3x+2	$5 x + 6 y = 3 x + 2$
188025	Simplifier	(cos(x)-1)(cos(x)+1)	$(\cos (x) - 1) (\cos (x) + 1)$
188026	Transformer en un intervalle	(x+12)/(x+2)<=2	$\frac{x + 12}{x + 2} \leq 2$
188027	Resolva o Sistema de Equations	5x+2y=9 x+y=-3	$5 x + 2 y = 9$ $x + y = - 3$
188028	Resolva a Inequação para x	(3x-1)/(1-5x)<=0	$\frac{3 x - 1}{1 - 5 x} \leq 0$
188029	Convertir en pourcentage	racine carrée de 9	$\sqrt{9}$
188030	Resolva a Inequação para x	(2x+1)/(3x-1)>(2x+5)/(3x+2)	$\frac{2 x + 1}{3 x - 1} > \frac{2 x + 5}{3 x + 2}$
188031	Simplifier	(x^2+x)/(x+1)	$\frac{x^{2} + x}{x + 1}$
188032	Resolva para x	1/x-1/3=-1/(3x)	$\frac{1}{x} - \frac{1}{3} = - \frac{1}{3 x}$
188033	Resolva para x	25^(2x)=5^(x^2-12)	$25^{2 x} = 5^{x^{2} - 12}$
188034	Resolva para x	-x=3/2+3/5(-x-1)+5x	$- x = \frac{3}{2} + \frac{3}{5} (- x - 1) + 5 x$
188035	Convertir en pourcentage	racine carrée de 10	$\sqrt{10}$
188036	Resolva para x	base logarithmique x de 3x^2-10x+12=2	$\log_{x} (3 x^{2} - 10 x + 12) = 2$
188037	Resolva para x	(x-1)/2-(x-2)/3-(x-3)/4=-(x-5)/5	$\frac{x - 1}{2} - \frac{x - 2}{3} - \frac{x - 3}{4} = - \frac{x - 5}{5}$
188038	Évaluer	(f/g)(-1)	$(\frac{f}{g}) (- 1)$
188039	Resolva para y	x=1/(y^2)	$x = \frac{1}{y^{2}}$
188040	Trouver le produit	(4+i)(4-i)	$(4 + i) (4 - i)$
188041	Tracer	f(x) = log base 2 of -x+1	$f (x) = \log_{2} (- x) + 1$
188042	Tracer	f(x)=x if x<1; 1 if x>=1	$f (x) = {\begin{cases} x & x < 1 \\ 1 & x \geq 1 \end{cases}$
188043	Factoriser	1/8x^3-216	$\frac{1}{8} x^{3} - 216$
188044	Tracer	f(x)<=-\|x+1\|+1	$f (x) \leq - \| x + 1 \| + 1$
188045	Évaluer	5/9(41-32)	$\frac{5}{9} (41 - 32)$
188046	Résoudre en factorisant	0=x^2-4x+4	$0 = x^{2} - 4 x + 4$
188047	Resolva o Sistema de Equations	x+2y+2z=1 -x-y-4z=3 2x+5y+2z=6	$x + 2 y + 2 z = 1$ $- x - y - 4 z = 3$ $2 x + 5 y + 2 z = 6$
188048	Trouver la droite perpendiculaire	(1,7) and perpendicular to 2x+7y=1	$(1, 7)$ and perpendicular to $2 x + 7 y = 1$
188049	Simplifier	(1/x-1/(x^2))/(1/(2x)-1/4)	$\frac{\frac{1}{x} - \frac{1}{x^{2}}}{\frac{1}{2 x} - \frac{1}{4}}$
188050	Resolva para m	5-(m-4)=2m+3(m-1)	$5 - (m - 4) = 2 m + 3 (m - 1)$
188051	Évaluer	8-\|2-3.5-5\|	$8 - \| 2 - 3.5 - 5 \|$
188052	Resolva a Equação Racional para x	(2+x)/(x-1)=8	$\frac{2 + x}{x - 1} = 8$
188053	Resolva para x	e^(2x)=e^x+2	$e^{2 x} = e^{x} + 2$
188054	Resolva para a	(x^2)/( racine carrée de x^5)=x^a	$\frac{x^{2}}{\sqrt{x^{5}}} = x^{a}$
188055	Écrire avec des exposants négatifs	1/(3^2)	$\frac{1}{3^{2}}$
188056	Factoriser	(x^2-49)+(x-7)	$(x^{2} - 49) + (x - 7)$
188057	Resolva a Inequação de Valor Absoluto para x	\|x\|<=8	$\| x \| \leq 8$
188058	Factoriser	(2x^3+7x^2-10x-24)/(x+4)	$\frac{2 x^{3} + 7 x^{2} - 10 x - 24}{x + 4}$
188059	Resolva para x	\|x+3\|>-8	$\| x + 3 \| > - 8$
188060	Simplifier	(2-18x^2)/(3x^2-8x-3)*(3x^2-7x-6)/(12x^2+80x-28)	$\frac{2 - 18 x^{2}}{3 x^{2} - 8 x - 3} \cdot \frac{3 x^{2} - 7 x - 6}{12 x^{2} + 80 x - 28}$
188061	Resolva a Inequação para x	-3(4x-8.2)<-11.98x+14 3/4	$- 3 (4 x - 8.2) < - 11.98 x + 14 \frac{3}{4}$
188062	Évaluer	\|-2^2+-3^2\|	$\| - 2^{2} + - 3^{2} \|$
188063	Resolva para x	16=0.80*x	$16 = 0.8 \cdot x$
188064	Trouver la somme et le produit des racines de l''équation quadratique.	x^2+6x=4	$x^{2} + 6 x = 4$
188065	Simplifier	((m^2-m-12)/(8m+80))÷((-m^2-8m+48)/(11m+110))	$\frac{m^{2} - m - 12}{8 m + 80} \div \frac{- m^{2} - 8 m + 48}{11 m + 110}$
188066	Resolva para x	9^x+3^(1+2x)=40	$9^{x} + 3^{1 + 2 x} = 40$
188067	Resolva a Inequação para k	-7k<63	$- 7 k < 63$
188068	Simplifier	10*9 racine carrée de 24	$10 \cdot 9 \sqrt{24}$
188069	Trouver toutes les solutions complexes	racine carrée de 2x+1+7=x	$\sqrt{2 x + 1} + 7 = x$
188070	Tracer	4x=-4x	$4 x = - 4 x$
188071	Resolva o Sistema de Equations	2x+z=-5 3x+y=-10 3y-4z=-6	$2 x + z = - 5$ $3 x + y = - 10$ $3 y - 4 z = - 6$
188072	Multiplier	(-14/36)(-(6s)/112)	$(- \frac{14}{36}) (- \frac{6 s}{112})$
188073	Simplifier	(6y)/(5x^2)+4/(3xy)	$\frac{6 y}{5 x^{2}} + \frac{4}{3 x y}$
188074	Factoriser	5x^3-x^5+14x	$5 x^{3} - x^{5} + 14 x$
188075	Resolva para x	racine carrée de x+3=0	$\sqrt{x + 3} = 0$
188076	Resolva para x	y=1/2x^2	$y = \frac{1}{2} x^{2}$
188077	Trouver les asymptotes dans le graphique	y=(2x^2+5x-3)/(x+3)	$y = \frac{2 x^{2} + 5 x - 3}{x + 3}$
188078	Resolva para x	0=x+3	$0 = x + 3$
188079	Soustraire	(x^2-3)-(-7x^2+4x+2)	$(x^{2} - 3) - (- 7 x^{2} + 4 x + 2)$
188080	Resolva para x	racine carrée de 11-2x = racine carrée de x^2+4x+4	$\sqrt{11 - 2 x} = \sqrt{x^{2} + 4 x + 4}$
188081	Resolva para x	(2x)/(x-3)=2+(3x)/(x^2-9)	$\frac{2 x}{x - 3} = 2 + \frac{3 x}{x^{2} - 9}$
188082	Diviser	(3x)÷3x	$3 x \div 3 x$
188083	Simplifier	(-15k^2)/(15k^3+45k^2)	$\frac{- 15 k^{2}}{15 k^{3} + 45 k^{2}}$
188084	Resolva a Equação Racional para b	1/(6b^2)+1/(6b)=1/(b^2)	$\frac{1}{6 b^{2}} + \frac{1}{6 b} = \frac{1}{b^{2}}$
188085	Tracer	y>5x and y>=2x+3	$y > 5 x$ and $y \geq 2 x + 3$
188086	Factoriser	R(x)=(x^2+x-12)/(x^2-x-6)	$R (x) = \frac{x^{2} + x - 12}{x^{2} - x - 6}$
188087	Évaluer	sin(theta)=4/5	$\sin (θ) = \frac{4}{5}$
188088	Tracer à l''aide de la table des valeurs	y=-2(1/2)^x	$y = - 2 {(\frac{1}{2})}^{x}$
188089	Simplifier	(8i)/(-4-4i)	$\frac{8 i}{- 4 - 4 i}$
188090	Tracer	5x-2y>=-14 x<-1	$5 x - 2 y \geq - 14$ $x < - 1$
188091	Trouver toutes les solutions complexes	base logarithmique 5 de x=2	$\log_{5} (x) = 2$
188092	Déterminer si c''est parallèle	3x+2y=8 2x+3y=-12	$3 x + 2 y = 8$ $2 x + 3 y = - 12$
188093	Resolva para v	(\|-9+v\|)/8=3	$\frac{\| - 9 + v \|}{8} = 3$
188094	Resolva para y	y=4+\|9-16\|	$y = 4 + \| 9 - 16 \|$
188095	Resolva o Sistema de Inequalities	6b-1<=41 or 2b+1>=11	$6 b - 1 \leq 41$ or $2 b + 1 \geq 11$
188096	Soustraire	Subtract -2x^2+3x-9 from 8x^2+10x-10	Subtract $- 2 x^{2} + 3 x - 9$ from $8 x^{2} + 10 x - 10$
188097	Trouver la valeur exacte	sec(pi/2)^2	$\sec^{2} (\frac{π}{2})$
188098	Resolva o Sistema de Equations	x+y+2z=-3 2x+y-2z=4 x+2y-z=5	$x + y + 2 z = - 3$ $2 x + y - 2 z = 4$ $x + 2 y - z = 5$
188099	Multiplier	(x^2-2xy+y^2)(x-y)	$(x^{2} - 2 x y + y^{2}) (x - y)$
188100	Écrire comme un unique logarithme	logarithme de 20+ logarithme de 15-2 logarithme de 5	$\log (20) + \log (15) - 2 \log (5)$