Mathway | Problèmes fréquents

Problèmes fréquents

Rang	Matière	Problème	Problème de formatage
183701	Simplifier	-3cd-d(2c-4)-4d	$- 3 c d - d (2 c - 4) - 4 d$
183702	Résoudre en utilisant la formule quadratique	(x^2+1)/(x^2-3)+(2x^2)/(x^2-3)=4	$\frac{x^{2} + 1}{x^{2} - 3} + \frac{2 x^{2}}{x^{2} - 3} = 4$
183703	Simplifier	((16x^-4)^2)/((4x^-2)^3)	$\frac{{(16 x^{- 4})}^{2}}{{(4 x^{- 2})}^{3}}$
183704	Tracer à l''aide de la table des valeurs	f(x)=2^(x+4)	$f (x) = 2^{x + 4}$
183705	Resolva para x	x = square root of 5x-6	$x = \sqrt{5 x - 6}$
183706	Resolva para x	racine quatrième de 2x+ racine quatrième de x+3=0	$\sqrt[4]{2 x} + \sqrt[4]{x + 3} = 0$
183707	Resolva para x	\|x+8\|=\|2x+1\|	$\| x + 8 \| = \| 2 x + 1 \|$
183708	Simplifier	(3x*2x)^2	${(3 x \cdot 2 x)}^{2}$
183709	Resolva para c	5p+9c=p for c	$5 p + 9 c = p$ for $c$
183710	Resolva para θ	csc(theta)-2=0	$\csc (θ) - 2 = 0$
183711	Simplifier	2(x+y+1)	$2 (x + y + 1)$
183712	Resolva a Inequação para x	-2x>6	$- 2 x > 6$
183713	Encontre f(g(x))	f(x)=4x g(x)=x/4	$f (x) = 4 x$ $g (x) = \frac{x}{4}$
183714	Trouver la fonction	f(x)=x^2+5x	$f (x) = x^{2} + 5 x$
183715	Resolva para a	d=v_it+1/2at^2	$d = v_{i} t + \frac{1}{2} a t^{2}$
183716	Évaluer	-6/(2(1))	$\frac{- 6}{2 (1)}$
183717	Resolva a Inequação para x	(5x)/(x-2)<=0	$\frac{5 x}{x - 2} \leq 0$
183718	Resolva para x	5(m-4x)=25m	$5 (m - 4 x) = 25 m$
183719	Évaluer	(a+b)^2-(a-b)^2	${(a + b)}^{2} - {(a - b)}^{2}$
183720	Factoriser	x^2-4+4	$x^{2} - 4 + 4$
183721	Factoriser	3a-2b-2by^4+3ay^4	$3 a - 2 b - 2 b y^{4} + 3 a y^{4}$
183722	Resolva para x	3(2x+5)-2(4+4x)=7	$3 (2 x + 5) - 2 (4 + 4 x) = 7$
183723	Transformer en un intervalle	x<3 or x>=5	$x < 3$ or $x \geq 5$
183724	Trouver le domaine de définition et l''ensemble d''arrivée	f(x)=(x+2)	$f (x) = (x + 2)$
183725	Encontre r(q(x))	q(x)=x^2+9 r(x) = square root of x+8	$q (x) = x^{2} + 9$ $r (x) = \sqrt{x + 8}$
183726	Simplifier	((4xy)/(y^2-x^2))÷(1/(y^2-x^2)+1/(x^2+2xy+y^2))	$\frac{4 x y}{y^{2} - x^{2}} \div (\frac{1}{y^{2} - x^{2}} + \frac{1}{x^{2} + 2 x y + y^{2}})$
183727	Tracer	y-x=1/(y+x)	$y - x = \frac{1}{y + x}$
183728	Écrire comme un unique logarithme	base logarithmique 2 de 32	$\log_{2} (32)$
183729	Resolva o Sistema de Equations	-x+2y+z=9 x+y-2z=-1 2x-y+2z=-5	$- x + 2 y + z = 9$ $x + y - 2 z = - 1$ $2 x - y + 2 z = - 5$
183730	Simplifier	logarithme de x^4- logarithme de x^3	$\log (x^{4}) - \log (x^{3})$
183731	Écrire sous forme usuelle	9x^2+72x-64y^2+128y+80=0	$9 x^{2} + 72 x - 64 y^{2} + 128 y + 80 = 0$
183732	Resolva para x	2/(3x)+3/4=1/x	$\frac{2}{3 x} + \frac{3}{4} = \frac{1}{x}$
183733	Simplifier	x*4x	$x \cdot 4 x$
183734	Simplifier	racine carrée de 2+e^(2t)+e^(-2t)	$\sqrt{2 + e^{2 t} + e^{- 2 t}}$
183735	Resolva para z	15=-45+z	$15 = - 45 + z$
183736	Resolva para x	(5-2x)/3+1-(3x-2)/5=-x	$\frac{5 - 2 x}{3} + 1 - \frac{3 x - 2}{5} = - x$
183737	Trouver les points d''intersection avec les axes des abscisses et des ordonnées	y=(x-2)/(3x-1)	$y = \frac{x - 2}{3 x - 1}$
183738	Trouver toutes les solutions complexes	(\|7x+4\|)/8=3	$\frac{\| 7 x + 4 \|}{8} = 3$
183739	Multiplier	x^2(2x+3)	$x^{2} (2 x + 3)$
183740	Combiner les termes similaires	(-7x^2-4)+(-7x^2-6x-2)	$(- 7 x^{2} - 4) + (- 7 x^{2} - 6 x - 2)$
183741	Évaluer	-7/8+(-1/2)	$- \frac{7}{8} + (- \frac{1}{2})$
183742	Resolva para x	-2+7x=2+6x	$- 2 + 7 x = 2 + 6 x$
183743	Écrire sous forme usuelle	(x+2)^2=16	${(x + 2)}^{2} = 16$
183744	Resolva para x	c(1+bx)=a	$c (1 + b x) = a$
183745	Développer les expressions logarithmiques	logarithme de z/( racine carrée de y^3x^2)	$\log (\frac{z}{\sqrt{y^{3}} x^{2}})$
183746	Simplifier	(x-10)/(x^3-8x^2)*(6x^3-384x)/(x^2-2x-80)	$\frac{x - 10}{x^{3} - 8 x^{2}} \cdot \frac{6 x^{3} - 384 x}{x^{2} - 2 x - 80}$
183747	Simplifier	(x/25-1/x)/((x-6)/5+1/x)	$\frac{\frac{x}{25} - \frac{1}{x}}{\frac{x - 6}{5} + \frac{1}{x}}$
183748	Évaluer le taux de variation	f(x)=4+3x-x^2 , (f(3+h)-f(3))/h	$f (x) = 4 + 3 x - x^{2}$ , $\frac{f (3 + h) - f (3)}{h}$
183749	Tracer	y>\|2x+1\|	$y > \| 2 x + 1 \|$
183750	Factoriser	1+(a-3b)^3	$1 + {(a - 3 b)}^{3}$
183751	Resolva a Inequação para x	9-4x<=3x-5	$9 - 4 x \leq 3 x - 5$
183752	Écrire sous forme usuelle	(x+5)^2=3	${(x + 5)}^{2} = 3$
183753	Évaluer	x^3=512	$x^{3} = 512$
183754	Simplifier	(x-25/x)/((x-8)/15+1/x)	$\frac{x - \frac{25}{x}}{\frac{x - 8}{15} + \frac{1}{x}}$
183755	Évaluer la fonction	f(x)=-10/x at x=-12	$f (x) = - \frac{10}{x}$ at $x = - 12$
183756	Simplifier	(2x-6)/(x^2-9)-x/(x+3)	$\frac{2 x - 6}{x^{2} - 9} - \frac{x}{x + 3}$
183757	Encontre f(g(x))	f(x)=2x^2-5x g(x)=3x^3	$f (x) = 2 x^{2} - 5 x$ $g (x) = 3 x^{3}$
183758	Multiplier	(4x-2)*(-2x^2+2x+2)	$(4 x - 2) \cdot (- 2 x^{2} + 2 x + 2)$
183759	Resolva para x	z=6pixy	$z = 6 π x y$
183760	Simplifier	(9/x-x)/((x^2)/3+x)	$\frac{\frac{9}{x} - x}{\frac{x^{2}}{3} + x}$
183761	Resolva a Inequação para z	64z^2-9<0	$64 z^{2} - 9 < 0$
183762	Tracer	(x^2+4x-12)/x>0	$\frac{x^{2} + 4 x - 12}{x} > 0$
183763	Resolva para n	d+3n=1 ; for n	$d + 3 n = 1$ ; for $n$
183764	Évaluer	(2pi)/((7pi)/5)	$\frac{2 π}{\frac{7 π}{5}}$
183765	Simplifier	((x^2+x)/(x^2-4))÷((x^2-1)/(x^2+5x+6))	$\frac{x^{2} + x}{x^{2} - 4} \div \frac{x^{2} - 1}{x^{2} + 5 x + 6}$
183766	Factoriser	(x^2-3x-10)	$(x^{2} - 3 x - 10)$
183767	Resolva para x	-3/(2x)-1=-1/(6x)	$- \frac{3}{2 x} - 1 = - \frac{1}{6 x}$
183768	Tracer	sin(theta)>0 and cos(theta)>0	$\sin (θ) > 0$ and $\cos (θ) > 0$
183769	Resolva para x	y=9x-2x	$y = 9 x - 2 x$
183770	Évaluer	-2sin(pi/3)	$- 2 \sin (\frac{π}{3})$
183771	Resolva para x	(5x)/(x-2)=(3x+4)/(x-2)	$\frac{5 x}{x - 2} = \frac{3 x + 4}{x - 2}$
183772	Simplifier	(1-1/(x^2))/(3/x+3/(x^2))	$\frac{1 - \frac{1}{x^{2}}}{\frac{3}{x} + \frac{3}{x^{2}}}$
183773	Trouver les points d''intersection avec les axes des abscisses et des ordonnées	x ?	$x$ ?
183774	Resolva o Sistema de Equations	2x-3y=2 x=6y-5	$2 x - 3 y = 2$ $x = 6 y - 5$
183775	Trouver toutes les solutions complexes	racine carrée de 2x+15-6=x	$\sqrt{2 x + 15} - 6 = x$
183776	Tracer	y+5=-3/4(x-8)	$y + 5 = - \frac{3}{4} (x - 8)$
183777	Resolva a Inequação para x	2x^2+x<15	$2 x^{2} + x < 15$
183778	Écrire sous forme de l''équation d''une droite	(1,-9) , (-3,-9)	$(1, - 9)$ , $(- 3, - 9)$
183779	Resolva o Sistema de Inequalities	5x-4>=12 ; AND , 12x+5<=-4	$5 x - 4 \geq 12$ ; AND , $12 x + 5 \leq - 4$
183780	Trouver les points d''intersection avec les axes des abscisses et des ordonnées	f(x)=2x(x^2+3)	$f (x) = 2 x (x^{2} + 3)$
183781	Resolva para a	g=(1/27)^(a+3)	$g = {(\frac{1}{27})}^{a + 3}$
183782	Resolva a Inequação para x	x-1>0	$x - 1 > 0$
183783	Resolva para b	P=a+(n-1)b	$P = a + (n - 1) b$
183784	Tracer	m(x)=1/2(x-2)^2	$m (x) = \frac{1}{2} {(x - 2)}^{2}$
183785	Évaluer	(3+h)^2	${(3 + h)}^{2}$
183786	Évaluer	4(3j+(-4))-9	$4 (3 j + (- 4)) - 9$
183787	Resolva para x	x^3+3x^2+3x+1=0	$x^{3} + 3 x^{2} + 3 x + 1 = 0$
183788	Resolva a Inequação para x	(3x-15)/x<=5-x	$\frac{3 x - 15}{x} \leq 5 - x$
183789	Tracer	f(x)=2x if x!=0; 4 if x=0	$f (x) = {\begin{cases} 2 x & x \neq 0 \\ 4 & x = 0 \end{cases}$
183790	Trouver la valeur exacte	1/3+1/5	$\frac{1}{3} + \frac{1}{5}$
183791	Resolva a Inequação para x	(x+4)(x+9)(5-x)>0	$(x + 4) (x + 9) (5 - x) > 0$
183792	Resolva para x	8=x^2	$8 = x^{2}$
183793	Tracer	f(x)=(x^2-4)/(x^2+x-2)	$f (x) = \frac{x^{2} - 4}{x^{2} + x - 2}$
183794	Resolva a Inequação para x	x/5-3<5	$\frac{x}{5} - 3 < 5$
183795	Resolva para x	1/2x^3+x-7=-3 racine carrée de x-1	$\frac{1}{2} x^{3} + x - 7 = - 3 \sqrt{x - 1}$
183796	Simplifier	9/5-(-6/10)	$\frac{9}{5} - (- \frac{6}{10})$
183797	Simplifier	(10x^2-640)/(x^2-17x+72)*(x^4-7x^3-18x^2)/(10(x+8)^2)	$\frac{10 x^{2} - 640}{x^{2} - 17 x + 72} \cdot \frac{x^{4} - 7 x^{3} - 18 x^{2}}{10 {(x + 8)}^{2}}$
183798	Évaluer	(0)^2-8*0+3=3	${(0)}^{2} - 8 \cdot 0 + 3 = 3$
183799	Resolva a Inequação para x	(3-x)(x+1)(x+5)<0	$(3 - x) (x + 1) (x + 5) < 0$
183800	Simplifier	(2i)/(3-9i)	$\frac{2 i}{3 - 9 i}$