Mathway | Problèmes fréquents

Problèmes fréquents

Rang	Matière	Problème	Problème de formatage
165501	Resolva para t	1/45+1/90=1/t	$\frac{1}{45} + \frac{1}{90} = \frac{1}{t}$
165502	Resolva para d	4-3d=d-8	$4 - 3 d = d - 8$
165503	Simplifier	-8i^2+3	$- 8 i^{2} + 3$
165504	Resolva para n	2.2n+0.8n+5=4n	$2.2 n + 0.8 n + 5 = 4 n$
165505	Évaluer	(m-3+4n)*(-8)	$(m - 3 + 4 n) \cdot (- 8)$
165506	Factoriser	10+270y^3	$10 + 270 y^{3}$
165507	Factoriser	2d^4+6d^3-18d^2-54d	$2 d^{4} + 6 d^{3} - 18 d^{2} - 54 d$
165508	Resolva a Inequação para x	2x^2-7x+3>0	$2 x^{2} - 7 x + 3 > 0$
165509	Resolva para m	(2m)/(m-1)+(m-5)/(m^2-1)=1	$\frac{2 m}{m - 1} + \frac{m - 5}{m^{2} - 1} = 1$
165510	Resolva para x	3x=-1/2	$3 x = - \frac{1}{2}$
165511	Trouver les points d''intersection avec les axes des abscisses et des ordonnées	f(x)=(x+1)(x-1)^2(x-2)	$f (x) = (x + 1) {(x - 1)}^{2} (x - 2)$
165512	Resolva a Inequação para d	1+3(-8d+1)>=10d+6+1	$1 + 3 (- 8 d + 1) \geq 10 d + 6 + 1$
165513	Resolva para x	x^2+x=1	$x^{2} + x = 1$
165514	Tracer	y>-x+2 y<=3x-2	$y > - x + 2$ $y \leq 3 x - 2$
165515	Simplifier	x+3+(3x)/(x+5)	$x + 3 + \frac{3 x}{x + 5}$
165516	Resolva para w	y-aw=2w-1	$y - a w = 2 w - 1$
165517	Tracer	y>=2x^2	$y \geq 2 x^{2}$
165518	Soustraire	8/6-5/4	$\frac{8}{6} - \frac{5}{4}$
165519	Resolva para x	15x-20=6x-(x+2)+(-x+3)	$15 x - 20 = 6 x - (x + 2) + (- x + 3)$
165520	Trouver le PPCM des dénominateurs	7/(3x-15) and (3x)/(2x-10)	$\frac{7}{3 x - 15}$ and $\frac{3 x}{2 x - 10}$
165521	Trouver le produit	(m-n)(m+n)	$(m - n) (m + n)$
165522	Trouver la pente et l''ordonnée à l''origine	y-2=0	$y - 2 = 0$
165523	Factoriser	x^3+7x^2-36	$x^{3} + 7 x^{2} - 36$
165524	Trouver le produit	(2x-y)^2	${(2 x - y)}^{2}$
165525	Resolva a Inequação para x	(x+1)/(x-5)<=0	$\frac{x + 1}{x - 5} \leq 0$
165526	Resolva para m	-2m-5n=7m-3n	$- 2 m - 5 n = 7 m - 3 n$
165527	Resolva a Inequação para x	x^2-3x<0	$x^{2} - 3 x < 0$
165528	Multiplier	1/8*6	$\frac{1}{8} \cdot 6$
165529	Resolva para b	4a=2b-7	$4 a = 2 b - 7$
165530	Simplifier	2(2)^2	$2 {(2)}^{2}$
165531	Resolva para y	-140=18+4(5y-2)	$- 140 = 18 + 4 (5 y - 2)$
165532	Resolva para x	(5x+2)^2+15x+6=0	${(5 x + 2)}^{2} + 15 x + 6 = 0$
165533	Trouver toutes les solutions complexes	2cos(x)^2+sin(x)-1=0	$2 \cos^{2} (x) + \sin (x) - 1 = 0$
165534	Resolva para x	4=x^2-7	$4 = x^{2} - 7$
165535	Simplifier	(3x^2-x-7)-(5x^2-4x-2)+(x+3)(x+2)	$(3 x^{2} - x - 7) - (5 x^{2} - 4 x - 2) + (x + 3) (x + 2)$
165536	Trouver la valeur exacte	sec(pi/3)^2	$\sec^{2} (\frac{π}{3})$
165537	Tracer	f(x)=(2(x+2))/(x-2)	$f (x) = \frac{2 (x + 2)}{x - 2}$
165538	Simplifier	50+50-25*0+2+2	$50 + 50 - 25 \cdot 0 + 2 + 2$
165539	Trouver toutes les solutions complexes	7(y+3)=5y+8	$7 (y + 3) = 5 y + 8$
165540	Resolva para w	13w-2(4w+1)=w-58	$13 w - 2 (4 w + 1) = w - 58$
165541	Resolva para x	-9+\|x/6\|=-8	$- 9 + \| \frac{x}{6} \| = - 8$
165542	Resolva para c	3c+1=c+1	$3 c + 1 = c + 1$
165543	Trouver le complexe conjugué	racine carrée de -20	$\sqrt{- 20}$
165544	Trouver les racines (zéros)	x^3-7x+6=0	$x^{3} - 7 x + 6 = 0$
165545	Resolva a Inequação para x	x^2+x<6	$x^{2} + x < 6$
165546	Resolva para c	a=2/3(b+c)	$a = \frac{2}{3} (b + c)$
165547	Resolva para x	8.25=0.5-x/0.4	$8.25 = 0.5 - \frac{x}{0.4}$
165548	Resolva a Inequação para g	10g-(8g+9)<-g+8+6	$10 g - (8 g + 9) < - g + 8 + 6$
165549	Resolva a Inequação para x	x^2-4x+4>0	$x^{2} - 4 x + 4 > 0$
165550	Tracer	f(x)=1/2 racine carrée de x-1	$f (x) = \frac{1}{2} \sqrt{x} - 1$
165551	Resolva para x	-1/(x^2)+1=0	$- \frac{1}{x^{2}} + 1 = 0$
165552	Resolva para x	5x+x=x-4	$5 x + x = x - 4$
165553	Resolva para w	12=5/2w	$12 = \frac{5}{2} w$
165554	Écrire sous forme usuelle	f(x)=x^2+4x	$f (x) = x^{2} + 4 x$
165555	Tracer	(y+5/2)^2=-5(x-9/2)	${(y + \frac{5}{2})}^{2} = - 5 (x - \frac{9}{2})$
165556	Tracer	y=x+1/x	$y = x + \frac{1}{x}$
165557	Évaluer	4/3pi5^3	$\frac{4}{3} \cdot π \cdot 5^{3}$
165558	Trouver le PPCM des dénominateurs	7/(2x-8) and (5x)/(3x-12)	$\frac{7}{2 x - 8}$ and $\frac{5 x}{3 x - 12}$
165559	Resolva para x	7/(x+7)+1=-x/(x+7)	$\frac{7}{x + 7} + 1 = - \frac{x}{x + 7}$
165560	Resolva para x	6x-9+8x=-2-5+9x	$6 x - 9 + 8 x = - 2 - 5 + 9 x$
165561	Resolva para w	2\|3w+8\|-13<=-5	$2 \| 3 w + 8 \| - 13 \leq - 5$
165562	Évaluer	(2^2)/5+(2/5)^2-(2^0)/5+(2/5)^0	$\frac{2^{2}}{5} + {(\frac{2}{5})}^{2} - \frac{2^{0}}{5} + {(\frac{2}{5})}^{0}$
165563	Resolva para k	x^2+kx+16=0	$x^{2} + k x + 16 = 0$
165564	Resolva para x	x+2/7x=9	$x + \frac{2}{7} x = 9$
165565	Resolva o Sistema de Equations	x+y=-9 x+2y=-25	$x + y = - 9$ $x + 2 y = - 25$
165566	Resolva para x	2^(4-3x)=16^(2/5)	$2^{4 - 3 x} = 16^{\frac{2}{5}}$
165567	Resolva para c	10=\|-2c+1\|	$10 = \| - 2 c + 1 \|$
165568	Resolva para r	t=r/(r-3)	$t = \frac{r}{r - 3}$
165569	Resolva para x	4^-2=16^(x-2)	$4^{- 2} = 16^{x - 2}$
165570	Écrire sous forme de l''équation d''une droite	14x+7y>21	$14 x + 7 y > 21$
165571	Trouver le quotient	(x^4-1)÷(x-1)	$(x^{4} - 1) \div (x - 1)$
165572	Simplifier	9/4(10/3x-4)-1/4(2x-8)	$\frac{9}{4} (\frac{10}{3} x - 4) - \frac{1}{4} (2 x - 8)$
165573	Resolva o Sistema de Inequalities	12x+7<-11 and 5x-8>=40	$12 x + 7 < - 11$ and $5 x - 8 \geq 40$
165574	Simplifier	2/(x^2+x)-3/(x+1)	$\frac{2}{x^{2} + x} - \frac{3}{x + 1}$
165575	Resolva a Inequação para v	13+2v-8+6>-7-v	$13 + 2 v - 8 + 6 > - 7 - v$
165576	Resolva o Sistema de Equations	y=x+5 and y=5x+5	$y = x + 5$ and $y = 5 x + 5$
165577	Tracer à l''aide de la table des valeurs	y=x^2-6	$y = x^{2} - 6$
165578	Resolva para p	3p-7+p=13	$3 p - 7 + p = 13$
165579	Tracer	P(x)=-(x+1)^2(x-1)^3(x-2)	$P (x) = - {(x + 1)}^{2} {(x - 1)}^{3} (x - 2)$
165580	Trouver la valeur exacte	cos(75 degrés )+cos(15 degrés )	$\cos (75 °) + \cos (15 °)$
165581	Simplifier	racine carrée de (a^8b^2)/(c^6)	$\sqrt{\frac{a^{8} b^{2}}{c^{6}}}$
165582	Resolva para a	-4=-4/5a	$- 4 = - \frac{4}{5} a$
165583	Tracer	f(x)=x\|x\|	$f (x) = x \| x \|$
165584	Évaluer	(2^-7*5^5)^2	${(2^{- 7} \cdot 5^{5})}^{2}$
165585	Simplifier	racine cubique de 36x^2 racine carrée de 12x racine carrée de 9x^2	$\sqrt[3]{36 x^{2} \sqrt{12 x \sqrt{9 x^{2}}}}$
165586	Simplifier	((x^2y^4z)^5)/((xy)^2)	$\frac{{(x^{2} y^{4} z)}^{5}}{{(x y)}^{2}}$
165587	Resolva para w	x=w/a	$x = \frac{w}{a}$
165588	Resolva a Inequação para f	5f+3(-8f-9)<=-8f-1-4	$5 f + 3 (- 8 f - 9) \leq - 8 f - 1 - 4$
165589	Multiplier	5*(-1/2)	$5 \cdot (- \frac{1}{2})$
165590	Trouver la fonction	f(x)=2x^2-3x	$f (x) = 2 x^{2} - 3 x$
165591	Resolva para y	w=z/(3y-x)	$w = \frac{z}{3 y - x}$
165592	Resolva a Inequação para n	-1<9+n<17	$- 1 < 9 + n < 17$
165593	Trouver les points d''intersection avec les axes des abscisses et des ordonnées	(x-2)(-x-4)=y	$(x - 2) (- x - 4) = y$
165594	Resolva para x	(5x)/6-1/2=1/3	$\frac{5 x}{6} - \frac{1}{2} = \frac{1}{3}$
165595	Resolva a Inequação para p	2p-3>p+6	$2 p - 3 > p + 6$
165596	Trouver toutes les solutions complexes	cos(2x)+sin(x)=0	$\cos (2 x) + \sin (x) = 0$
165597	Identifier le cône	y=12x^2-5	$y = 12 x^{2} - 5$
165598	Resolva para z	z/0.5-3.7=-6.7	$\frac{z}{0.5} - 3.7 = - 6.7$
165599	Trouver le volume	sphère (8cm)	 $\begin{array}{r} r = & 8 cm \end{array}$
165600	Trouver la valeur exacte	racine carrée de -2	$\sqrt{- 2}$