Mathway | Problèmes fréquents

Problèmes fréquents

Rang	Matière	Problème	Problème de formatage
174501	Resolva o Sistema de Inequalities	3>=(9-w)/3>1	$3 \geq \frac{9 - w}{3} > 1$
174502	Évaluer	sec(pi/4)tan(pi/4)	$\sec (\frac{π}{4}) \tan (\frac{π}{4})$
174503	Convertir en un nombre décimal	140deg	$140$ degrees
174504	Évaluer	3*2pi	$3 \cdot 2 π$
174505	Resolva para w	5/6=10/(w+3)	$\frac{5}{6} = \frac{10}{w + 3}$
174506	Multiplier	(x-4)*(-2x^2-3x+4)	$(x - 4) \cdot (- 2 x^{2} - 3 x + 4)$
174507	Simplifier	(sin(theta)^2)/(cos(theta)^2+sin(theta)^2)	$\frac{\sin^{2} (θ)}{\cos^{2} (θ) + \sin^{2} (θ)}$
174508	Simplifier	(1-2i)+(-4+2i)	$(1 - 2 i) + (- 4 + 2 i)$
174509	Simplifier	(2x+5)(x-2)(3x+4)	$(2 x + 5) (x - 2) (3 x + 4)$
174510	Soustraire	(x^3-2x+5)-(2x^3-3x^2+4x-3)	$(x^{3} - 2 x + 5) - (2 x^{3} - 3 x^{2} + 4 x - 3)$
174511	Resolva para x	base logarithmique 5 de 8x- base logarithmique 5 de 2=0	$\log_{5} (8 x) - \log_{5} (2) = 0$
174512	Resolva o Sistema de Equations	x+y=3 y=x^2-6x+9	$x + y = 3$ $y = x^{2} - 6 x + 9$
174513	Tracer	f(x)=1/2\|x+4\|-3	$f (x) = \frac{1}{2} \| x + 4 \| - 3$
174514	Simplifier	(1-2x+x^2)/(1-x^3)	$\frac{1 - 2 x + x^{2}}{1 - x^{3}}$
174515	Simplifier	4^(x+1)*2^(2x)	$4^{x + 1} \cdot 2^{2 x}$
174516	Trouver le complexe conjugué	racine carrée de -9	$\sqrt{- 9}$
174517	Simplifier	(3-i)/(3+i)	$\frac{3 - i}{3 + i}$
174518	Tracer	f(x)=(x+3)(x-k)	$f (x) = (x + 3) (x - k)$
174519	Resolva o Sistema de Inequalities	34<-3x+10 or 22<=-3x+10	$34 < - 3 x + 10$ or $22 \leq - 3 x + 10$
174520	Resolva para x	3(3x-2)=(x+4)(4-x)	$3 (3 x - 2) = (x + 4) (4 - x)$
174521	Tracer	y=-1/2x-2 y=-3/2x+2	$y = - \frac{1}{2} x - 2$ $y = - \frac{3}{2} x + 2$
174522	Évaluer	2*(-2^2)	$2 \cdot (- 2^{2})$
174523	Resolva a Inequação de Valor Absoluto para v	2/3\|4v+6\|-2<=10	$\frac{2}{3} \| 4 v + 6 \| - 2 \leq 10$
174524	Resolva para x	3x+2x+6=-15	$3 x + 2 x + 6 = - 15$
174525	Resolva para x	2^(x^2+2x)=1/2	$2^{x^{2} + 2 x} = \frac{1}{2}$
174526	Simplifier	x^(-2/3)*x^(6/7)	$x^{- \frac{2}{3}} \cdot x^{\frac{6}{7}}$
174527	Simplifier	(4f^9h^3)(-5f^6)(-3h^2)	$(4 f^{9} h^{3}) (- 5 f^{6}) (- 3 h^{2})$
174528	Trouver toutes les solutions complexes	2sin(theta)^2+ racine carrée de 3sin(theta)=0	$2 \sin^{2} (θ) + \sqrt{3} \sin (θ) = 0$
174529	Resolva para w	4/3\|3w-6\|=16	$\frac{4}{3} \| 3 w - 6 \| = 16$
174530	Resolva o Sistema de Inequalities	-1<=(4-a)/3<=5	$- 1 \leq \frac{4 - a}{3} \leq 5$
174531	Resolva para x	7x+30=x+6(x+5)	$7 x + 30 = x + 6 (x + 5)$
174532	Resolva para t	Q=R+rst for t	$Q = R + r s t$ for $t$
174533	Simplifier	(9-12x+4x^2)/(27-8x^3)	$\frac{9 - 12 x + 4 x^{2}}{27 - 8 x^{3}}$
174534	Simplifier	(128x^3z^3)/(46xy^2z)	$\frac{128 x^{3} z^{3}}{46 x y^{2} z}$
174535	Resolva para k	-4/3(9-2k)=1/2(1/3k+1)	$- \frac{4}{3} (9 - 2 k) = \frac{1}{2} (\frac{1}{3} k + 1)$
174536	Resolva para k	\|-6k\|=30	$\| - 6 k \| = 30$
174537	Resolva a Inequação para y	12>=15-6y	$12 \geq 15 - 6 y$
174538	Resolva a Inequação de Valor Absoluto para a	\|6a-5\|=4a	$\| 6 a - 5 \| = 4 a$
174539	Diviser sans détailler	(4x^4+x^2)/(x-2)	$\frac{4 x^{4} + x^{2}}{x - 2}$
174540	Simplifier	(3x^3+4x^2)+(3x^3-4x^2-9x)	$(3 x^{3} + 4 x^{2}) + (3 x^{3} - 4 x^{2} - 9 x)$
174541	Resolva para x	5(x-5)-4=-1+(x+4)	$5 (x - 5) - 4 = - 1 + (x + 4)$
174542	Factoriser	(x-3y)^2-y^2	${(x - 3 y)}^{2} - y^{2}$
174543	Resolva o Sistema de Inequalities	37<3x+7 and 43>=3x+7	$37 < 3 x + 7$ and $43 \geq 3 x + 7$
174544	Resolva para x	27^x-9^(x+0.5)-3^x+3=0	$27^{x} - 9^{x + 0.5} - 3^{x} + 3 = 0$
174545	Resolva para h	S=pir^2+2pirh	$S = π r^{2} + 2 π r h$
174546	Resolva para C	2/3(B-C)=A	$\frac{2}{3} (B - C) = A$
174547	Resolva para p	2(3-p)-17=41	$2 (3 - p) - 17 = 41$
174548	Resolva para w	w*0.5w+9z=2z+3w	$w \cdot 0.5 w + 9 z = 2 z + 3 w$
174549	Factoriser	x^2=2x+35	$x^{2} = 2 x + 35$
174550	Simplifier	(6c^7u^-8)/((-3u^-2)^2)	$\frac{6 c^{7} u^{- 8}}{{(- 3 u^{- 2})}^{2}}$
174551	Resolva o Sistema de Inequalities	5x-5<5 and 5x-5<=20	$5 x - 5 < 5$ and $5 x - 5 \leq 20$
174552	Resolva a Inequação para x	x^2<x	$x^{2} < x$
174553	Resolva para c	4-1/2c=1/4(3-c)+1/8c	$4 - \frac{1}{2} c = \frac{1}{4} (3 - c) + \frac{1}{8} c$
174554	Tracer	y<=x^2+2	$y \leq x^{2} + 2$
174555	Resolva para a	7a+5(a+3)=8a+4(a+2)	$7 a + 5 (a + 3) = 8 a + 4 (a + 2)$
174556	Évaluer	2/(2^2+1)	$\frac{2}{2^{2} + 1}$
174557	Resolva para r	A=4r^2	$A = 4 r^{2}$
174558	Transformer en un intervalle	3/4q-2/3q<5/12q-1/12	$\frac{3}{4} q - \frac{2}{3} q < \frac{5}{12} q - \frac{1}{12}$
174559	Resolva a Inequação para n	809>-11+5/8n	$809 > - 11 + \frac{5}{8} n$
174560	Factoriser	ab-b^2	$a b - b^{2}$
174561	Simplifier	(5/(x-3)-1/(x+3))/(3/(x^2-9))	$\frac{\frac{5}{x - 3} - \frac{1}{x + 3}}{\frac{3}{x^{2} - 9}}$
174562	Resolva para x	x/(x-1)-1/(x-2)=(2x-5)/(x^2-3x+2)	$\frac{x}{x - 1} - \frac{1}{x - 2} = \frac{2 x - 5}{x^{2} - 3 x + 2}$
174563	Simplifier	4+36÷((10-8)^2)*3+7	$4 + 36 \div {(10 - 8)}^{2} \cdot 3 + 7$
174564	Rendre le dénominateur rationnel	4/(3- racine carrée de 7)	$\frac{4}{3 - \sqrt{7}}$
174565	Trouver la valeur exacte	cos(135 degrés )^2-sin(135 degrés )^2	$\cos^{2} (135 °) - \sin^{2} (135 °)$
174566	Mettre sous forme de racine	((2xy)^(4/3))/((9x)^(4/3))	$\frac{{(2 x y)}^{\frac{4}{3}}}{{(9 x)}^{\frac{4}{3}}}$
174567	Rendre le dénominateur rationnel	2/( racine cubique de 2)	$\frac{2}{\sqrt[3]{2}}$
174568	Évaluer	(1/81)^(1/2)*(1/81)^(-3/4)	${(\frac{1}{81})}^{\frac{1}{2}} \cdot {(\frac{1}{81})}^{- \frac{3}{4}}$
174569	Resolva para x	-(4+x)=3x	$- (4 + x) = 3 x$
174570	Simplifier	((x^2y^2)/(y^2))^3	${(\frac{x^{2} y^{2}}{y^{2}})}^{3}$
174571	Simplifier	(3q^2)/(-2(p^3q^-5)^-1)	$\frac{3 q^{2}}{- 2 {(p^{3} q^{- 5})}^{- 1}}$
174572	Simplifier	((5s^3n^2)^-1)/(4s^3)	$\frac{{(5 s^{3} n^{2})}^{- 1}}{4 s^{3}}$
174573	Évaluer	f(x)=2^-4	$f (x) = 2^{- 4}$
174574	Resolva para x	4(2.5)^(2x)=4	$4 {(2.5)}^{2 x} = 4$
174575	Resolva para x	(1/3)^(x+2)=3^(x-1)	${(\frac{1}{3})}^{x + 2} = 3^{x - 1}$
174576	Tracer	f(x)=x/2+1	$f (x) = \frac{x}{2} + 1$
174577	Resolva para x	2x+2-3x+5=3+2	$2 x + 2 - 3 x + 5 = 3 + 2$
174578	Tracer	[1,infinity)	$[1, \infty)$
174579	Simplifier	(-3(w^4)^-1)/(5j^-6)	$\frac{- 3 {(w^{4})}^{- 1}}{5 j^{- 6}}$
174580	Resolva para x	racine carrée de x=2-x	$\sqrt{x} = 2 - x$
174581	Simplifier l''expression avec une racine	1/3 racine cubique de 81	$\frac{1}{3} \sqrt[3]{81}$
174582	Trouver la distance entre deux points	(0,-3) and (4,1)	$(0, - 3)$ and $(4, 1)$
174583	Tracer	y=-1/2(x+2)^2+4	$y = - \frac{1}{2} {(x + 2)}^{2} + 4$
174584	Convertir en un nombre décimal	70deg	$70$ degrees
174585	Factoriser	49x^2y^2-9x^2	$49 x^{2} y^{2} - 9 x^{2}$
174586	Resolva para x	racine cubique de 1-x=-1	$\sqrt[3]{1 - x} = - 1$
174587	Resolva para x	x-(3x+7)/(x+4)=5/(x+4)	$x - \frac{3 x + 7}{x + 4} = \frac{5}{x + 4}$
174588	Resolva para x	x-(2x+5)/(x-9)=7/(x-9)	$x - \frac{2 x + 5}{x - 9} = \frac{7}{x - 9}$
174589	Resolva a Inequação para x	x^3>=3x^2	$x^{3} \geq 3 x^{2}$
174590	Trouver le domaine de définition et l''ensemble d''arrivée	F(x)=(2x^2+7x+3)/(x+3)	$F (x) = \frac{2 x^{2} + 7 x + 3}{x + 3}$
174591	Trouver la valeur exacte	1-1/4	$1 - \frac{1}{4}$
174592	Resolva o Sistema de Inequalities	7<=-x-1 or -x-1<=-12	$7 \leq - x - 1$ or $- x - 1 \leq - 12$
174593	Resolva para x	x^2=2x-5	$x^{2} = 2 x - 5$
174594	Factoriser	(x+1)^(1/2)-1/3(x+1)^(3/2)	${(x + 1)}^{\frac{1}{2}} - \frac{1}{3} {(x + 1)}^{\frac{3}{2}}$
174595	Resolva para y	2/5x+y=3	$\frac{2}{5} x + y = 3$
174596	Simplifier	(3x-1)/(x+2)-(x-2)/(x-1)	$\frac{3 x - 1}{x + 2} - \frac{x - 2}{x - 1}$
174597	Resolva para x	6-6x^2-3x=0	$6 - 6 x^{2} - 3 x = 0$
174598	Résoudre en utilisant la formule quadratique	f(x)=x^2+2x+1	$f (x) = x^{2} + 2 x + 1$
174599	Resolva para x	racine carrée de 3x+15 = racine carrée de x+9	$\sqrt{3 x + 15} = \sqrt{x + 9}$
174600	Resolva para x	racine carrée de 1-8x=5+ racine carrée de 3x+9	$\sqrt{1 - 8 x} = 5 + \sqrt{3 x + 9}$