Mathway | Problèmes fréquents

Problèmes fréquents

Rang	Matière	Problème	Problème de formatage
169401	Évaluer	81/4-1+0.510	$8 \cdot \frac{1}{4} - 1 + 0.5 \cdot 10$
169402	Développer les expressions logarithmiques	logarithme de (2(7+x)^4)/(x^5)	$\log (\frac{2 {(7 + x)}^{4}}{x^{5}})$
169403	Factoriser	-21y^2z^2+49x^3y^4	$- 21 y^{2} z^{2} + 49 x^{3} y^{4}$
169404	Simplifier	(y^2-3y)(y^2+3y)	$(y^{2} - 3 y) (y^{2} + 3 y)$
169405	Resolva o Sistema de Inequalities	19>=3z+1>=-5	$19 \geq 3 z + 1 \geq - 5$
169406	Diviser	(1/2)/1	$\frac{\frac{1}{2}}{1}$
169407	Évaluer	base logarithmique c de 16* base logarithmique 2 de c	$\log_{c} (16) \cdot \log_{2} (c)$
169408	Évaluer	(1+i)^4	${(1 + i)}^{4}$
169409	Simplifier	3/(x-2)+(x-2)/(x^2-4x+4)	$\frac{3}{x - 2} + \frac{x - 2}{x^{2} - 4 x + 4}$
169410	Évaluer	racine carrée de racine carrée de 81	$\sqrt{\sqrt{81}}$
169411	Resolva a Inequação para x	31>2x+7>27	$31 > 2 x + 7 > 27$
169412	Simplifier	7/(9x)+1/(3x)	$\frac{7}{9 x} + \frac{1}{3 x}$
169413	Resolva para m	racine carrée de m/5=5	$\sqrt{\frac{m}{5}} = 5$
169414	Tracer à l''aide de la table des valeurs	f(x)=x-5	$f (x) = x - 5$
169415	Simplifier	x+x/2	$x + \frac{x}{2}$
169416	Soustraire	(4x^5-7x^3-9x^2+18)-(14x^5-8x^4+11x^2+x)	$(4 x^{5} - 7 x^{3} - 9 x^{2} + 18) - (14 x^{5} - 8 x^{4} + 11 x^{2} + x)$
169417	Évaluer	7/8-(-3/16)	$\frac{7}{8} - (- \frac{3}{16})$
169418	Diviser	(-100x^4w^3z)/(25x^3w^6z)	$\frac{- 100 x^{4} w^{3} z}{25 x^{3} w^{6} z}$
169419	Resolva para y	-2/3+5/6y=1/3	$- \frac{2}{3} + \frac{5}{6} y = \frac{1}{3}$
169420	Simplifier	(x^6)/(x^-1*x^7)	$\frac{x^{6}}{x^{- 1} \cdot x^{7}}$
169421	Resolva para a	(4+ racine carrée de -49)-2( racine carrée de (-4)^2+ racine carrée de -324)=a+bi	$(4 + \sqrt{- 49}) - 2 (\sqrt{{(- 4)}^{2}} + \sqrt{- 324}) = a + b i$
169422	Simplifier	(a^2x+by^2)^2	${(a^{2} x + b y^{2})}^{2}$
169423	Résoudre en utilisant la formule quadratique	x(x-2)+1=0	$x (x - 2) + 1 = 0$
169424	Diviser	(5m^3n-25m^2n^2)/(5m^2n)	$\frac{5 m^{3} n - 25 m^{2} n^{2}}{5 m^{2} n}$
169425	Tracer	y=-f(x+1)-2	$y = - f (x + 1) - 2$
169426	Multiplier	(x racine carrée de 7-3 racine carrée de 8)(x racine carrée de 7-3 racine carrée de 8)	$(x \sqrt{7} - 3 \sqrt{8}) (x \sqrt{7} - 3 \sqrt{8})$
169427	Factoriser	29x^2y^5z-32x^4y^4	$29 x^{2} y^{5} z - 32 x^{4} y^{4}$
169428	Tracer	y<=1/3x+6 and y<3x+2	$y \leq \frac{1}{3} x + 6$ and $y < 3 x + 2$
169429	Simplifier	5(m+3+n)	$5 (m + 3 + n)$
169430	Simplifier l''expression avec une racine	racine carrée de x* racine quatrième de x	$\sqrt{x} \cdot \sqrt[4]{x}$
169431	Évaluer	((2*5)^2+4)/(3^2-5)	$\frac{{(2 \cdot 5)}^{2} + 4}{3^{2} - 5}$
169432	Factoriser	(1-x^2)	$(1 - x^{2})$
169433	Resolva para Y	5+Y=7	$5 + Y = 7$
169434	Simplifier	6/(y-1)*(5-5y)/10	$\frac{6}{y - 1} \cdot \frac{5 - 5 y}{10}$
169435	Resolva a Inequação de Valor Absoluto para x	\|5x+9\|=4x	$\| 5 x + 9 \| = 4 x$
169436	Écrire sous forme exponentielle	base logarithmique (x-8) de x=2x	$\log_{(x - 8)} (x) = 2 x$
169437	Trouver les valeurs exclues	(-3z+6)/(6z^2+14z-80)	$\frac{- 3 z + 6}{6 z^{2} + 14 z - 80}$
169438	Évaluer	2/3(6-3/2)	$\frac{2}{3} (6 - \frac{3}{2})$
169439	Simplifier	(-2 racine carrée de -49)(5 racine carrée de -100)	$(- 2 \sqrt{- 49}) (5 \sqrt{- 100})$
169440	Tracer à l''aide de la table des valeurs	y=1/(x^2)	$y = \frac{1}{x^{2}}$
169441	Tracer	x(x-6)<=0	$x (x - 6) \leq 0$
169442	Combiner les termes similaires	3y+4x^2-3x^2-2y+x^2+2y-3x^3	$3 y + 4 x^{2} - 3 x^{2} - 2 y + x^{2} + 2 y - 3 x^{3}$
169443	Évaluer	-4\|5+-3\|	$- 4 \| 5 + - 3 \|$
169444	Tracer	f(x)=2x+1 if x<1; -2x+3 if x>=1	$f (x) = {\begin{cases} 2 x + 1 & x < 1 \\ - 2 x + 3 & x \geq 1 \end{cases}$
169445	Resolva para x	(x-1)/3+(x+5)/4=1/2	$\frac{x - 1}{3} + \frac{x + 5}{4} = \frac{1}{2}$
169446	Resolva para g	4-1/12g-2=3/2g+1-5/6g	$4 - \frac{1}{12} g - 2 = \frac{3}{2} g + 1 - \frac{5}{6} g$
169447	Resolva para d	3d+10=d+2	$3 d + 10 = d + 2$
169448	Resolva a Inequação para c	20>=-3.2(c-4.3)	$20 \geq - 3.2 (c - 4.3)$
169449	Resolva a Inequação para x	x>=8/(2+x)	$x \geq \frac{8}{2 + x}$
169450	Resolva para r	l=(x*2pir)/360	$l = \frac{x \cdot 2 π r}{360}$
169451	Tracer	y<=x^2+4x-3	$y \leq x^{2} + 4 x - 3$
169452	Simplifier	(x+3)/(x+5)+6/(x^2+3x-10)	$\frac{x + 3}{x + 5} + \frac{6}{x^{2} + 3 x - 10}$
169453	Tracer	y>=2x^2-3x+1	$y \geq 2 x^{2} - 3 x + 1$
169454	Écrire sous forme de l''équation d''une droite	y=2	$y = 2$
169455	Simplifier	(3ab)/(2a^2x+2a^3)	$\frac{3 a b}{2 a^{2} x + 2 a^{3}}$
169456	Resolva a Inequação para x	5.1(3+2.2x)>-14.25-6(1.7x+4)	$5.1 (3 + 2.2 x) > - 14.25 - 6 (1.7 x + 4)$
169457	Tracer	y=-2x+1,x<=1; -x+2,x>1	$y = {\begin{cases} - 2 x + 1, x \leq 1 \\ - x + 2, x > 1 \end{cases}$
169458	Tracer	3x-y<=0	$3 x - y \leq 0$
169459	Factoriser	f(x)=x^4-7x^3+9x^2+27x-54	$f (x) = x^{4} - 7 x^{3} + 9 x^{2} + 27 x - 54$
169460	Encontre f(g(x))	f(x)=8x and g(x)=x/8	$f (x) = 8 x$ and $g (x) = \frac{x}{8}$
169461	Simplifier	x(2x^(-1/3))^4	$x {(2 x^{- \frac{1}{3}})}^{4}$
169462	Écrire sous forme exponentielle	( racine quatrième de x)^3	${(\sqrt[4]{x})}^{3}$
169463	Tracer	f(x)=1/2(x+2)^2(x+1)(x-1)^2	$f (x) = \frac{1}{2} {(x + 2)}^{2} (x + 1) {(x - 1)}^{2}$
169464	Resolva para x	x/(x+3)+1/x=3/x	$\frac{x}{x + 3} + \frac{1}{x} = \frac{3}{x}$
169465	Factoriser	2ay-6a+15-5y	$2 a y - 6 a + 15 - 5 y$
169466	Résoudre en complétant le carré	4x^2-30x=12+10x	$4 x^{2} - 30 x = 12 + 10 x$
169467	Resolva para x	racine carrée de x-1 = racine carrée de x-10	$\sqrt{x} - 1 = \sqrt{x - 10}$
169468	Convertir en coordonnées polaires.	x^2+4y^2=4	$x^{2} + 4 y^{2} = 4$
169469	Simplifier	(b+3c)+(b+3c)	$(b + 3 c) + (b + 3 c)$
169470	Resolva para x	10x-(8x-3)/4=2(x-3)	$10 x - \frac{8 x - 3}{4} = 2 (x - 3)$
169471	Resolva para k	\|1-3/4k\|>=7	$\| 1 - \frac{3}{4} k \| \geq 7$
169472	Simplifier	((3d^-4n^5)^-3)/(12d^3n^4)	$\frac{{(3 d^{- 4} n^{5})}^{- 3}}{12 d^{3} n^{4}}$
169473	Soustraire	5/2-6/8	$\frac{5}{2} - \frac{6}{8}$
169474	Simplifier	(4 racine carrée de -72)(-4 racine carrée de -64)	$(4 \sqrt{- 72}) (- 4 \sqrt{- 64})$
169475	Resolva a Inequação para x	-14>=-x-9>-18	$- 14 \geq - x - 9 > - 18$
169476	Trouver la valeur exacte	2*1/2	$2 \cdot \frac{1}{2}$
169477	Factoriser	m^5+m^3-6m	$m^{5} + m^{3} - 6 m$
169478	Resolva a Inequação para x	x/8>4	$\frac{x}{8} > 4$
169479	Trouver le produit	(a^2-2b)^3	${(a^{2} - 2 b)}^{3}$
169480	Simplifier	4y^3+2y^2-2y^2-2-3y-3y	$4 y^{3} + 2 y^{2} - 2 y^{2} - 2 - 3 y - 3 y$
169481	Écrire sous forme exponentielle	base logarithmique (x+7) de 3x=2	$\log_{(x + 7)} (3 x) = 2$
169482	Simplifier	(-3(y^-2)^3)/(5y^2)	$\frac{- 3 {(y^{- 2})}^{3}}{5 y^{2}}$
169483	Tracer	3+r/-4<=6	$3 + \frac{r}{- 4} \leq 6$
169484	Tracer	y=-3 base logarithmique 2 de -x+1	$y = - 3 \log_{2} (- x + 1)$
169485	Trouver le PPCM des dénominateurs	8/(x^2-4x-45) and -2/(x^2-9x)	$\frac{8}{x^{2} - 4 x - 45}$ and $\frac{- 2}{x^{2} - 9 x}$
169486	Simplifier	(x^2-2x-15)/(x^3-11x^2+30x)	$\frac{x^{2} - 2 x - 15}{x^{3} - 11 x^{2} + 30 x}$
169487	Resolva a Inequação para x	9(4x-8)<4(6x+9)	$9 (4 x - 8) < 4 (6 x + 9)$
169488	Simplifier	-3xy^3+7xy^3+(-xy^3)+(-3xy^3)	$- 3 x y^{3} + 7 x y^{3} + (- x y^{3}) + (- 3 x y^{3})$
169489	Évaluer	(8^(2/3))^4	${(8^{\frac{2}{3}})}^{4}$
169490	Factoriser	-26x^2y^4z^2+43x^5y^6z^5	$- 26 x^{2} y^{4} z^{2} + 43 x^{5} y^{6} z^{5}$
169491	Resolva a Inequação para x	x-20<=6	$x - 20 \leq 6$
169492	Resolva a Inequação para b	5<b-3	$5 < b - 3$
169493	Simplifier	(x^-8y^-6)/(x^7y^4)	$\frac{x^{- 8} y^{- 6}}{x^{7} y^{4}}$
169494	Simplifier	(a^(1/6)b^(1/3))^6	${(a^{\frac{1}{6}} b^{\frac{1}{3}})}^{6}$
169495	Écrire sous forme usuelle	(1+x)(x^2-5x-6)	$(1 + x) (x^{2} - 5 x - 6)$
169496	Simplifier	(5x-1)/(x+3)+9/(x(x+3))	$\frac{5 x - 1}{x + 3} + \frac{9}{x (x + 3)}$
169497	Resolva a Equação Racional para x	x/5=15+x/3	$\frac{x}{5} = 15 + \frac{x}{3}$
169498	Factoriser	3x^(-1/2)+4x^(1/2)+x^(3/2)	$3 x^{- \frac{1}{2}} + 4 x^{\frac{1}{2}} + x^{\frac{3}{2}}$
169499	Resolva a Equação Racional para x	20/x-20/(x-2)=4/x	$\frac{20}{x} - \frac{20}{x - 2} = \frac{4}{x}$
169500	Resolva a Inequação para z	7<z/2+3	$7 < \frac{z}{2} + 3$