Mathway | Problèmes fréquents

Problèmes fréquents

Rang	Matière	Problème	Problème de formatage
167401	Tracer	(negative infinity,-1]	$(- \infty, - 1]$
167402	Resolva para n	5n^3-30n^2+40n=0	$5 n^{3} - 30 n^{2} + 40 n = 0$
167403	Simplifier	(2/3)^0	${(\frac{2}{3})}^{0}$
167404	Simplifier	(2(j^2)^4)/(-2j^5)	$\frac{2 {(j^{2})}^{4}}{- 2 j^{5}}$
167405	Combiner les termes similaires	-7y-2-4x-2y+6x+6y-2	$- 7 y - 2 - 4 x - 2 y + 6 x + 6 y - 2$
167406	Simplifier	racine carrée de 3y^2+4 racine carrée de 12y^2-y racine carrée de 75	$\sqrt{3 y^{2}} + 4 \sqrt{12 y^{2}} - y \sqrt{75}$
167407	Resolva para x	ax-by=c	$a x - b y = c$
167408	Simplifier	((2x^2-12x)/(x^2-7x+6))÷((2x)/(3x-3))	$\frac{2 x^{2} - 12 x}{x^{2} - 7 x + 6} \div \frac{2 x}{3 x - 3}$
167409	Resolva para x	8^(6x-5)*2^(3x+1)=2^(8x+9)	$8^{6 x - 5} \cdot 2^{3 x + 1} = 2^{8 x + 9}$
167410	Évaluer	(45÷5)÷3+(8*3)÷2-2^3	$45 \div 5 \div 3 + 8 \times 3 \div 2 - 2^{3}$
167411	Évaluer le taux de variation	f(x)=-x^3 , (f(a+h)-f(a))/h	$f (x) = - x^{3}$ , $\frac{f (a + h) - f (a)}{h}$
167412	Resolva para v	-9/4v+4/5=7/8	$- \frac{9}{4} v + \frac{4}{5} = \frac{7}{8}$
167413	Resolva para x	4-\|x\|=1	$4 - \| x \| = 1$
167414	Soustraire	1/6-2/3	$\frac{1}{6} - \frac{2}{3}$
167415	Simplifier	racine carrée de 6( racine carrée de 18+ racine carrée de 8)	$\sqrt{6} (\sqrt{18} + \sqrt{8})$
167416	Resolva para x	1/2(x-14)+11=1/2x-(x-4)	$\frac{1}{2} (x - 14) + 11 = \frac{1}{2} x - (x - 4)$
167417	Resolva para b	-b/0.2-1.7=7.8	$- \frac{b}{0.2} - 1.7 = 7.8$
167418	Resolva para g	5(g+8)-7=117-g	$5 (g + 8) - 7 = 117 - g$
167419	Évaluer	(x+3)(x+3)	$(x + 3) (x + 3)$
167420	Évaluer	(x^2)/x	$\frac{x^{2}}{x}$
167421	Résoudre en utilisant la formule quadratique	4x^2-9x=2x^2-2x-4	$4 x^{2} - 9 x = 2 x^{2} - 2 x - 4$
167422	Resolva para g	4(g+8)=7+4g	$4 (g + 8) = 7 + 4 g$
167423	Simplifier	(x^2-4)/(4x^2-8x)	$\frac{x^{2} - 4}{4 x^{2} - 8 x}$
167424	Resolva a Inequação para x	x^2-6x-7<0	$x^{2} - 6 x - 7 < 0$
167425	Trouver toutes les solutions complexes	sin(theta)-1=0	$\sin (θ) - 1 = 0$
167426	Resolva para x	\|3x-8\|+7=2x	$\| 3 x - 8 \| + 7 = 2 x$
167427	Écrire sous forme usuelle	y=3(x+2)^2-1/2	$y = 3 {(x + 2)}^{2} - \frac{1}{2}$
167428	Resolva para G	D=2/3(F+G)	$D = \frac{2}{3} (F + G)$
167429	Simplifier	(10r^4)/(6n^3)*(42n^4)/(34r^5)	$\frac{10 r^{4}}{6 n^{3}} \cdot \frac{42 n^{4}}{34 r^{5}}$
167430	Resolva para x	racine cubique de 2x+6=-8	$\sqrt[3]{2 x} + 6 = - 8$
167431	Factoriser	x^2+x-20=0	$x^{2} + x - 20 = 0$
167432	Combiner les termes similaires	-4x^2-3+4+3-5y^2+3y^2-5y^2	$- 4 x^{2} - 3 + 4 + 3 - 5 y^{2} + 3 y^{2} - 5 y^{2}$
167433	Simplifier l''expression avec une racine	(10 racine cubique de z)/(2z^2)	$\frac{10 \sqrt[3]{z}}{2 z^{2}}$
167434	Resolva para I	E/I=R	$\frac{E}{I} = R$
167435	Simplifier	(8/(9-a^2))÷((4a^2-4a-24)/(a^2-6a+9))	$\frac{8}{9 - a^{2}} \div \frac{4 a^{2} - 4 a - 24}{a^{2} - 6 a + 9}$
167436	Combiner les termes similaires	-3-3-2y+6y^3-7y^3+6y+2	$- 3 - 3 - 2 y + 6 y^{3} - 7 y^{3} + 6 y + 2$
167437	Simplifier	racine carrée de 288x^5y^3z^2+ racine carrée de 18x^5y^3z^2	$\sqrt{288 x^{5} y^{3} z^{2}} + \sqrt{18 x^{5} y^{3} z^{2}}$
167438	Factoriser	4x^2-0x-25	$4 x^{2} - 0 x - 25$
167439	Resolva a Inequação para w	-14>w+3	$- 14 > w + 3$
167440	Resolva a Inequação para x	x^3-3x^2-9x+27<0	$x^{3} - 3 x^{2} - 9 x + 27 < 0$
167441	Resolva para t	10=5+t	$10 = 5 + t$
167442	Resolva a Inequação de Valor Absoluto para x	\|2x+3\|=5	$\| 2 x + 3 \| = 5$
167443	Resolva para x	2x^(2/3)=8	$2 x^{\frac{2}{3}} = 8$
167444	Factoriser	(x^2-x)	$(x^{2} - x)$
167445	Tracer	f(x)=-x^3+x^2-1	$f (x) = - x^{3} + x^{2} - 1$
167446	Tracer	f''''(x)	$f'' (x)$
167447	Resolva a Inequação para x	x^2+5x+6<0	$x^{2} + 5 x + 6 < 0$
167448	Resolva a Inequação para x	7(3-x)>=5	$7 (3 - x) \geq 5$
167449	Factoriser	(x^2-2x-3)	$(x^{2} - 2 x - 3)$
167450	Resolva a Inequação para x	58-10x<=20+9x	$58 - 10 x \leq 20 + 9 x$
167451	Resolva para x	27^(9x+4)*3^(x-8)=3^(x+9)	$27^{9 x + 4} \cdot 3^{x - 8} = 3^{x + 9}$
167452	Évaluer	4pi*9^2	$4 π \cdot 9^{2}$
167453	Combiner les termes similaires	-6y-4x^2+7y+6x^2-x^3-5x^3-y	$- 6 y - 4 x^{2} + 7 y + 6 x^{2} - x^{3} - 5 x^{3} - y$
167454	Simplifier	racine carrée de 6* racine carrée de 11* racine carrée de 5	$\sqrt{6} \cdot \sqrt{11} \cdot \sqrt{5}$
167455	Resolva a Inequação para x	3/(x-4)>0	$\frac{3}{x - 4} > 0$
167456	Tracer	sin(theta)>0 , cos(theta)>0	$\sin (θ) > 0$ , $\cos (θ) > 0$
167457	Évaluer	(r^2)/(\|r^2\|)	$\frac{r^{2}}{\| r^{2} \|}$
167458	Rendre le dénominateur rationnel	( racine carrée de a+ racine carrée de b)/( racine carrée de ab)	$\frac{\sqrt{a} + \sqrt{b}}{\sqrt{a b}}$
167459	Resolva a Inequação para x	x^2<=81	$x^{2} \leq 81$
167460	Resolva a Inequação para x	5+5(x+4)<=20	$5 + 5 (x + 4) \leq 20$
167461	Resolva para x	x^(3/2)-26=99	$x^{\frac{3}{2}} - 26 = 99$
167462	Resolva o Sistema de Inequalities	6x+1<8x+7<6x+9	$6 x + 1 < 8 x + 7 < 6 x + 9$
167463	Resolva para b	(5b-4)(b+3)=0	$(5 b - 4) (b + 3) = 0$
167464	Simplifier	(2/2)^2	${(\frac{2}{2})}^{2}$
167465	Factoriser	28x^3y^7z^2-7xy^4	$28 x^{3} y^{7} z^{2} - 7 x y^{4}$
167466	Tracer	f(x)=(x^2-4x+4)/(x^3-5x^2)	$f (x) = \frac{x^{2} - 4 x + 4}{x^{3} - 5 x^{2}}$
167467	Resolva para x	racine carrée de 3x+3=e^x	$\sqrt{3 x + 3} = e^{x}$
167468	Resolva a Inequação para x	-3(2x+2)<10	$- 3 (2 x + 2) < 10$
167469	Simplifier	racine carrée de 32x^3- racine carrée de 16x^3+4 racine carrée de x^3- racine carrée de 2x^3	$\sqrt{32 x^{3}} - \sqrt{16 x^{3}} + 4 \sqrt{x^{3}} - \sqrt{2 x^{3}}$
167470	Simplifier	racine carrée de 50x^3- racine carrée de 25x^3+5 racine carrée de x^3- racine carrée de 2x^3	$\sqrt{50 x^{3}} - \sqrt{25 x^{3}} + 5 \sqrt{x^{3}} - \sqrt{2 x^{3}}$
167471	Simplifier	((4s^4)^4)/(2s^-3)	$\frac{{(4 s^{4})}^{4}}{2 s^{- 3}}$
167472	Évaluer	-e^1	$- e^{1}$
167473	Resolva a Inequação para x	5x-19<16	$5 x - 19 < 16$
167474	Écrire sous forme usuelle	y=2(x+5/4)^2-49/8	$y = 2 {(x + \frac{5}{4})}^{2} - \frac{49}{8}$
167475	Resolva para x	x+x/(x-1)=(3x-2)/(x-1)	$x + \frac{x}{x - 1} = \frac{3 x - 2}{x - 1}$
167476	Trouver la valeur exacte	base logarithmique 4 de 8	$\log_{4} (8)$
167477	Resolva para b	41=\|4b-5\|	$41 = \| 4 b - 5 \|$
167478	Simplifier	x^82y^105x^5	$x^{8} \cdot 2 y^{10} \cdot 5 x^{5}$
167479	Factoriser	(x^3-1)/(x-1)	$\frac{x^{3} - 1}{x - 1}$
167480	Évaluer	1+5*2+(1+3)^2	$1 + 5 \cdot 2 + {(1 + 3)}^{2}$
167481	Simplifier	(5^-6)/(5^-4)	$\frac{5^{- 6}}{5^{- 4}}$
167482	Évaluer	13-1/3(11-5)	$13 - \frac{1}{3} (11 - 5)$
167483	Resolva a Inequação para y	-2(7+y)>=-8(y+1)	$- 2 (7 + y) \geq - 8 (y + 1)$
167484	Tracer	y<=2/3x+1/5	$y \leq \frac{2}{3} x + \frac{1}{5}$
167485	Resolva a Inequação para x	x^2+5x-24>=0	$x^{2} + 5 x - 24 \geq 0$
167486	Simplifier	(x^2-x-6)-(x^2-x-6)	$(x^{2} - x - 6) - (x^{2} - x - 6)$
167487	Resolva para d	-d=1/6d-2/3+5/2d	$- d = \frac{1}{6} d - \frac{2}{3} + \frac{5}{2} d$
167488	Trouver toutes les solutions complexes	csc(theta)-2=0	$\csc (θ) - 2 = 0$
167489	Resolva a Inequação para x	(2x-7)/(x-5)<=3	$\frac{2 x - 7}{x - 5} \leq 3$
167490	Trouver la valeur exacte	racine carrée de 225	$\sqrt{225}$
167491	Simplifier	(-p^2+4p-3)(p^2+2)	$(- p^{2} + 4 p - 3) (p^{2} + 2)$
167492	Simplifier	(-1/2)^0	${(- \frac{1}{2})}^{0}$
167493	Resolva para θ	2sin(theta)=1	$2 \sin (θ) = 1$
167494	Évaluer	(2pi)/((5pi)/3)	$\frac{2 π}{\frac{5 π}{3}}$
167495	Resolva para a	2.5=1.5+a/0.2	$2.5 = 1.5 + \frac{a}{0.2}$
167496	Simplifier	(12a^5)/(-4(a^5)^4)	$\frac{12 a^{5}}{- 4 {(a^{5})}^{4}}$
167497	Évaluer	(1+x)^2	${(1 + x)}^{2}$
167498	Combiner les termes similaires	-6-2y^2+6x-4x+1+7y^2-y^2	$- 6 - 2 y^{2} + 6 x - 4 x + 1 + 7 y^{2} - y^{2}$
167499	Evaluer en utilisant la valeur donnée	6t-20-32u when t=6 and u=1/4	$6 t - 20 - 32 u$ when $t = 6$ and $u = \frac{1}{4}$
167500	Resolva para j	-56=20-(-j)	$- 56 = 20 - (- j)$