Mathway | Problèmes fréquents

Problèmes fréquents

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Rang	Matière	Problème	Problème de formatage
84401	Simplifier	5 racine carrée de 124	$5 \sqrt{124}$
84402	Resolva para x	-47<=6x-11<=19	$- 47 \leq 6 x - 11 \leq 19$
84403	Simplifier	a+2c-5b-c+a-b	$a + 2 c - 5 b - c + a - b$
84404	Resolva para x	-5<(3x-1)/4<0	$- 5 < \frac{3 x - 1}{4} < 0$
84405	Resolva para x	x/5+1=7	$\frac{x}{5} + 1 = 7$
84406	Resolva para x	5<=2/7x+7<=8	$5 \leq \frac{2}{7} x + 7 \leq 8$
84407	Resolva para x	5<=2/9x+9<=12	$5 \leq \frac{2}{9} x + 9 \leq 12$
84408	Resolva para x	4x^2-81=0	$4 x^{2} - 81 = 0$
84409	Resolva para x	5<=3x-1<11	$5 \leq 3 x - 1 < 11$
84410	Évaluer	1/(3+i)	$\frac{1}{3 + i}$
84411	Resolva para x	-5<2x+1<=3	$- 5 < 2 x + 1 \leq 3$
84412	Résoudre en factorisant	x^2-8x+12=0	$x^{2} - 8 x + 12 = 0$
84413	Resolva para x	-5<2x+1<=5	$- 5 < 2 x + 1 \leq 5$
84414	Resolva para x	5x^2=20	$5 x^{2} = 20$
84415	Resolva para x	5<2x+3<11	$5 < 2 x + 3 < 11$
84416	Diviser	(36xy-39y)/(3y)	$\frac{36 x y - 39 y}{3 y}$
84417	Resolva para x	-5<4x+1<=3	$- 5 < 4 x + 1 \leq 3$
84418	Resolva para x	2x^2+x-15=0	$2 x^{2} + x - 15 = 0$
84419	Resolva para x	-5<x-7<-2	$- 5 < x - 7 < - 2$
84420	Resolva para x	-6<(3x-1)/2<0	$- 6 < \frac{3 x - 1}{2} < 0$
84421	Resolva para x	-6<=-2x+4<10	$- 6 \leq - 2 x + 4 < 10$
84422	Resolva para x	2x^2-3x-9=0	$2 x^{2} - 3 x - 9 = 0$
84423	Resolva para x	-6<=2x+5<=7	$- 6 \leq 2 x + 5 \leq 7$
84424	Trouver la fonction réciproque	f(x)=1/4x-12	$f (x) = \frac{1}{4} x - 12$
84425	Resolva para x	-6<=3x-9<0	$- 6 \leq 3 x - 9 < 0$
84426	Resolva para x	2x^2-5x-12=0	$2 x^{2} - 5 x - 12 = 0$
84427	Resolva para x	-6<2-2x<=8	$- 6 < 2 - 2 x \leq 8$
84428	Resolva para x	2x^2-6x+1=0	$2 x^{2} - 6 x + 1 = 0$
84429	Resolva para x	-6<2x-2<=0	$- 6 < 2 x - 2 \leq 0$
84430	Resolva para x	2x^2-2x-1=0	$2 x^{2} - 2 x - 1 = 0$
84431	Resolva para x	-6<2x-2<=6	$- 6 < 2 x - 2 \leq 6$
84432	Resolva para x	6<2x-3<=11	$6 < 2 x - 3 \leq 11$
84433	Resolva para x	-6<4-2x<=14	$- 6 < 4 - 2 x \leq 14$
84434	Tracer	2y-4x=-12	$2 y - 4 x = - 12$
84435	Resolva para x	-6<4-2x<=8	$- 6 < 4 - 2 x \leq 8$
84436	Tracer	y^2+4<=x^2	$y^{2} + 4 \leq x^{2}$
84437	Resolva para x	-6<6-2x<=14	$- 6 < 6 - 2 x \leq 14$
84438	Resolva para x	-7<(2x-1)/4<0	$- 7 < \frac{2 x - 1}{4} < 0$
84439	Tracer	y-x<-3	$y - x < - 3$
84440	Resolva para x	-7<(5x-1)/4<0	$- 7 < \frac{5 x - 1}{4} < 0$
84441	Multiplier	(x-3)(x^2+3x+9)	$(x - 3) (x^{2} + 3 x + 9)$
84442	Resolva para x	-7<=11-x<7	$- 7 \leq 11 - x < 7$
84443	Resolva para x	3x^2-7=0	$3 x^{2} - 7 = 0$
84444	Resolva para x	7<=1-2x<9	$7 \leq 1 - 2 x < 9$
84445	Resolva para x	3x^2-5x+1=0	$3 x^{2} - 5 x + 1 = 0$
84446	Resolva para x	7<=-4x+3<19	$7 \leq - 4 x + 3 < 19$
84447	Resolva para x	3x^2-5x=2	$3 x^{2} - 5 x = 2$
84448	Resolva para x	-7<=x<=-2	$- 7 \leq x \leq - 2$
84449	Resolva para x	3x^2-2x=8	$3 x^{2} - 2 x = 8$
84450	Resolva para x	-7<2x+1<=9	$- 7 < 2 x + 1 \leq 9$
84451	Resolva para x	-7<x+2<4	$- 7 < x + 2 < 4$
84452	Simplifier	( racine carrée de x- racine carrée de 2y)( racine carrée de 3y+ racine carrée de 2x)	$(\sqrt{x} - \sqrt{2 y}) (\sqrt{3 y} + \sqrt{2 x})$
84453	Resolva para x	-7x>-2(x+15)<10	$- 7 x > - 2 (x + 15) < 10$
84454	Resolva para x	(x-5)(x-5)=0	$(x - 5) (x - 5) = 0$
84455	Resolva para x	-8<=2x-4<2	$- 8 \leq 2 x - 4 < 2$
84456	Simplifier	(2m-9)^2	${(2 m - 9)}^{2}$
84457	Resolva para x	-8<2x+5<7	$- 8 < 2 x + 5 < 7$
84458	Resolva para x	-8<2x-4<4	$- 8 < 2 x - 4 < 4$
84459	Resolva para x	x^4-x^2-12=0	$x^{4} - x^{2} - 12 = 0$
84460	Resolva para x	-8<-4x<=12	$- 8 < - 4 x \leq 12$
84461	Resolva para x	x^2+4x-4=0	$x^{2} + 4 x - 4 = 0$
84462	Resolva para x	-8<x+3<10	$- 8 < x + 3 < 10$
84463	Resolva para x	x^2+3x-6=0	$x^{2} + 3 x - 6 = 0$
84464	Resolva para x	-8>=-5x+2>-38	$- 8 \geq - 5 x + 2 > - 38$
84465	Resolva para x	8>4-x>6	$8 > 4 - x > 6$
84466	Resolva para x	x^2+7x-2=0	$x^{2} + 7 x - 2 = 0$
84467	Resolva para x	-9<=x-8<1	$- 9 \leq x - 8 < 1$
84468	Resolva para x	-9<2x-1<=1	$- 9 < 2 x - 1 \leq 1$
84469	Resolva para x	x^2+9x+8=0	$x^{2} + 9 x + 8 = 0$
84470	Trouver les variables	[[1],[2],[3]]=[[x],[2],[3]]	$[\begin{array}{c} 1 \\ 2 \\ 3 \end{array}] = [\begin{array}{c} x \\ 2 \\ 3 \end{array}]$
84471	Trouver les asymptotes	f(x)=(x+5)/(x^2+3x-10)	$f (x) = \frac{x + 5}{x^{2} + 3 x - 10}$
84472	Trouver les variables	[[a,2b],[c-2,d+3]]=[[5,-7],[10,10]]	$[\begin{array}{c} a & 2 b \\ c - 2 & d + 3 \end{array}] = [\begin{array}{c} 5 & - 7 \\ 10 & 10 \end{array}]$
84473	Trouver les racines (zéros)	f(x)=4x^3-4x^2-16x+16	$f (x) = 4 x^{3} - 4 x^{2} - 16 x + 16$
84474	Trouver les variables	[[6,x,16],[18,7,10],[9,14,8]]=[[6,12,16],[y,7,10],[9,z,8]]	$[\begin{array}{c} 6 & x & 16 \\ 18 & 7 & 10 \\ 9 & 14 & 8 \end{array}] = [\begin{array}{c} 6 & 12 & 16 \\ y & 7 & 10 \\ 9 & z & 8 \end{array}]$
84475	Resolva para x	x^2=14	$x^{2} = 14$
84476	Trouver les variables	[[4,3x+1],[2y+5,2]]=[[4,-5],[y,-x]]	$[\begin{array}{c} 4 & 3 x + 1 \\ 2 y + 5 & 2 \end{array}] = [\begin{array}{c} 4 & - 5 \\ y & - x \end{array}]$
84477	Trouver les variables	[[2,3],[1,2]][[x],[y]]=[[12],[7]]	$[\begin{array}{c} 2 & 3 \\ 1 & 2 \end{array}] [\begin{array}{c} x \\ y \end{array}] = [\begin{array}{c} 12 \\ 7 \end{array}]$
84478	Trouver les variables	[[x,5y],[z,18]]=[[0,15],[1,18]]	$[\begin{array}{c} x & 5 y \\ z & 18 \end{array}] = [\begin{array}{c} 0 & 15 \\ 1 & 18 \end{array}]$
84479	Resolva para x	x^2+10x+9=0	$x^{2} + 10 x + 9 = 0$
84480	Trouver les variables	[[x,8y],[z,9]]=[[1,16],[16,9]]	$[\begin{array}{c} x & 8 y \\ z & 9 \end{array}] = [\begin{array}{c} 1 & 16 \\ 16 & 9 \end{array}]$
84481	Resolva para x	x^2+22x+121=0	$x^{2} + 22 x + 121 = 0$
84482	Resolva para x	x^2+2x-63=0	$x^{2} + 2 x - 63 = 0$
84483	Trouver la pente pour chaque équation	x=7 , y=14	$x = 7$ , $y = 14$
84484	Resolva para x	x^2+2x-10=0	$x^{2} + 2 x - 10 = 0$
84485	Trouver la pente pour chaque équation	1/2x-3y=8 , y=4x+1	$\frac{1}{2} x - 3 y = 8$ , $y = 4 x + 1$
84486	Resolva para x	x^2-6x=27	$x^{2} - 6 x = 27$
84487	Encontre a Derivada Usando a Regra do Produto - d/d@VAR	f(x)=(x^2-4x+2)(2x^3-x^2+4)	$f (x) = (x^{2} - 4 x + 2) (2 x^{3} - x^{2} + 4)$
84488	Resolva para x	x^2-4x-3=0	$x^{2} - 4 x - 3 = 0$
84489	Encontre a Derivada Usando a Regra do Produto - d/dy	(y^-1+y^-2)(8y^-3-9y^-4)	$(y^{- 1} + y^{- 2}) (8 y^{- 3} - 9 y^{- 4})$
84490	Encontre a Derivada Usando a Regra do Produto - d/da	x^4(a-2x^3)^2	$x^{4} {(a - 2 x^{3})}^{2}$
84491	Trouver le coefficient de proportionnalité quadratique	x^2+cx+5=0	$x^{2} + c x + 5 = 0$
84492	Trouver le coefficient de proportionnalité quadratique	y=2x^2-12x+13	$y = 2 x^{2} - 12 x + 13$
84493	Resolva para x	x^2-x=20	$x^{2} - x = 20$
84494	Trouver le domaine de définition de la différence des deux fonctions	f(t)=t^2+7t+1 ; g(t)=2/(t-1)	$f (t) = t^{2} + 7 t + 1$ ; $g (t) = \frac{2}{t - 1}$
84495	Tracer	y = square root of x+25	$y = \sqrt{x + 25}$
84496	Resolva para x	x^2-10x+34=0	$x^{2} - 10 x + 34 = 0$
84497	Encontre a Derivada Usando a Regra do Produto - d/dx	y=(3x^2+5)(5x-2)	$y = (3 x^{2} + 5) (5 x - 2)$
84498	Resolva para x	x^2-12=0	$x^{2} - 12 = 0$
84499	Resolva para x	x^2=7	$x^{2} = 7$
84500	Trouver le domaine de définition et l'ensemble d'arrivée	racine carrée de x+2	$\sqrt{x + 2}$