Mathway | Problèmes fréquents

Problèmes fréquents

Rang	Matière	Problème	Problème de formatage
190801	Resolva para x	x/(x+5)=(x+4)/(5x+25)	$\frac{x}{x + 5} = \frac{x + 4}{5 x + 25}$
190802	Simplifier	( racine cubique de 2^5)^(1/4)	${(\sqrt[3]{2^{5}})}^{\frac{1}{4}}$
190803	Diviser	3 , 45÷5	$3$ , $45 \div 5$
190804	Tracer	-2x=2y-4 2x-y=-5	$- 2 x = 2 y - 4$ $2 x - y = - 5$
190805	Simplifier	(1/x-1/y)/(1/(x^2)+1/(y^2))	$\frac{\frac{1}{x} - \frac{1}{y}}{\frac{1}{x^{2}} + \frac{1}{y^{2}}}$
190806	Simplifier	(-1/(x^2))^2	${(- \frac{1}{x^{2}})}^{2}$
190807	Resolva para x	2-3/(x+4)=(x+2)/(x+4)	$2 - \frac{3}{x + 4} = \frac{x + 2}{x + 4}$
190808	Resolva para x	3x-4-5x=x+4+x	$3 x - 4 - 5 x = x + 4 + x$
190809	Soustraire	(-7x^2+4x+2)-(x^2-3)	$(- 7 x^{2} + 4 x + 2) - (x^{2} - 3)$
190810	Écrire avec des exposants rationnels (fractions)	m root of an root of b cube root of c^x	$\sqrt[m]{a} \sqrt[n]{b} \sqrt[3]{c^{x}}$
190811	Transformer en un intervalle	4x-6>=6x-20	$4 x - 6 \geq 6 x - 20$
190812	Évaluer	-4*(3/-4)	$- 4 \cdot (\frac{3}{- 4})$
190813	Simplifier	x^3*2x	$x^{3} \cdot 2 x$
190814	Simplifier	(3x^2+2xy+7)-(6x^2-4xy+3)	$(3 x^{2} + 2 x y + 7) - (6 x^{2} - 4 x y + 3)$
190815	Resolva a Inequação para x	-(55x)/2-10>=-185/2	$- \frac{55 x}{2} - 10 \geq - \frac{185}{2}$
190816	Resolva a Equação Racional para x	2/x=9/(x-3)	$\frac{2}{x} = \frac{9}{x - 3}$
190817	Simplifier	(((2^-3)(x^-3)(y^2))/((4^-2)(x^4)(y^6)))^2	${(\frac{(2^{- 3}) (x^{- 3}) (y^{2})}{(4^{- 2}) (x^{4}) (y^{6})})}^{2}$
190818	Factoriser	a(x+1)-b(x+1)+c(x+1)	$a (x + 1) - b (x + 1) + c (x + 1)$
190819	Évaluer	(x-y)(x+y)	$(x - y) (x + y)$
190820	Diviser	((x-5)/5)÷((x-2)/3)	$\frac{x - 5}{5} \div \frac{x - 2}{3}$
190821	Resolva para θ	cos(theta/2)-1=0	$\cos (\frac{θ}{2}) - 1 = 0$
190822	Évaluer	66/360(pi*4^2)	$\frac{66}{360} (π \cdot 4^{2})$
190823	Tracer	y^2=x^2+4	$y^{2} = x^{2} + 4$
190824	Simplifier	10/(x^2-10x)-x/(10x-100)	$\frac{10}{x^{2} - 10 x} - \frac{x}{10 x - 100}$
190825	Resolva para f	f-(-19)=11f+23-20f	$f - (- 19) = 11 f + 23 - 20 f$
190826	Simplifier	(3x-2)/(x+2)+(2x)/(4x-1)	$\frac{3 x - 2}{x + 2} + \frac{2 x}{4 x - 1}$
190827	Factoriser	-64-12x^2+48x+x^3	$- 64 - 12 x^{2} + 48 x + x^{3}$
190828	Resolva para x	(x+m)/m-(x+n)/n=(m^2+n^2)/(mn)-2	$\frac{x + m}{m} - \frac{x + n}{n} = \frac{m^{2} + n^{2}}{m n} - 2$
190829	Resolva para x	\|4-x/2\|-3=0	$\| 4 - \frac{x}{2} \| - 3 = 0$
190830	Déterminer si c''est parallèle	x=4 x=-6	$x = 4$ $x = - 6$
190831	Multiplier	(-4y+5x)(-3x+2y)	$(- 4 y + 5 x) (- 3 x + 2 y)$
190832	Trouver le degré, le terme dominant et le coefficient dominant	f(x)=5x-2x^2+9x^3+10x^4-2	$f (x) = 5 x - 2 x^{2} + 9 x^{3} + 10 x^{4} - 2$
190833	Tracer	(-x-2)(x+5)<0	$(- x - 2) (x + 5) < 0$
190834	Écrire sous forme usuelle	3x+5=0	$3 x + 5 = 0$
190835	Resolva para y	base logarithmique 9 de y=-1/2	$\log_{9} (y) = - \frac{1}{2}$
190836	Simplifier	9x^2-10x+1 from -2x^2+4x-10	$9 x^{2} - 10 x + 1$ from $- 2 x^{2} + 4 x - 10$
190837	Évaluer	1/(3!)	$\frac{1}{3!}$
190838	Évaluer	sin(2)(pi/6)	$\sin (2) (\frac{π}{6})$
190839	Resolva a Inequação para x	0.2x^2-0.2(x-6)(x+6)>3.6x	$0.2 x^{2} - 0.2 (x - 6) (x + 6) > 3.6 x$
190840	Écrire sous forme usuelle	y=2x^2	$y = 2 x^{2}$
190841	Trouver la valeur exacte	sec((1pi)/6)	$\sec (\frac{1 π}{6})$
190842	Resolva para θ	tan(theta)^2=-3/2sec(theta)	$\tan^{2} (θ) = - \frac{3}{2} \sec (θ)$
190843	Resolva para x	3/(x+5)+(2x+5)/(x-5)=(3x)/(x-5)	$\frac{3}{x + 5} + \frac{2 x + 5}{x - 5} = \frac{3 x}{x - 5}$
190844	Resolva a Inequação para x	(1/3)^(-x)>27^(2x+1)	${(\frac{1}{3})}^{- x} > 27^{2 x + 1}$
190845	Resolva para x	1/2 base logarithmique 3 de x=2 base logarithmique 3 de 2	$\frac{1}{2} \log_{3} (x) = 2 \log_{3} (2)$
190846	Trouver les racines (zéros)	f(x) = square root of x+4-3	$f (x) = \sqrt{x + 4} - 3$
190847	Resolva para x	(x+2)(x+3)=(x+1)(x+5)	$(x + 2) (x + 3) = (x + 1) (x + 5)$
190848	Simplifier	racine carrée de 2 racine carrée de 7- racine carrée de 12* racine carrée de 2 racine carrée de 7+ racine carrée de 12	$\sqrt{2 \sqrt{7} - \sqrt{12}} \cdot \sqrt{2 \sqrt{7} + \sqrt{12}}$
190849	Resolva a Inequação para y	6(5y-(3y-1))>=4(3y-7)	$6 (5 y - (3 y - 1)) \geq 4 (3 y - 7)$
190850	Trouver les racines (zéros)	-2r^2+r+7=0	$- 2 r^{2} + r + 7 = 0$
190851	Resolva para x	9-(2x+7)/3=(x+5)/6	$9 - \frac{2 x + 7}{3} = \frac{x + 5}{6}$
190852	Résoudre en utilisant la formule quadratique	-20=-8x-x^2	$- 20 = - 8 x - x^{2}$
190853	Resolva para x	5x^3+30x^2+45x=0	$5 x^{3} + 30 x^{2} + 45 x = 0$
190854	Trouver toutes les solutions complexes	2cos(2x)-1=0	$2 \cos (2 x) - 1 = 0$
190855	Tracer	3x-1>=y	$3 x - 1 \geq y$
190856	Resolva para x	base logarithmique 5 de 3x+2+ base logarithmique 5 de 4x-4=2	$\log_{5} (3 x + 2) + \log_{5} (4 x - 4) = 2$
190857	Resolva para x	x+2<=-5	$x + 2 \leq - 5$
190858	Resolva a Inequação de Valor Absoluto para b	\|b+3\|>=7	$\| b + 3 \| \geq 7$
190859	Écrire sous forme de l''équation d''une droite	3y-9=0	$3 y - 9 = 0$
190860	Simplifier	(3e^2-5e+7)(6e+1)	$(3 e^{2} - 5 e + 7) (6 e + 1)$
190861	Resolva para x	75=-5(-3-4x)	$75 = - 5 (- 3 - 4 x)$
190862	Tracer	f(x)=a(x-h)^2+k(a)!=(0)	$f (x) = a {(x - h)}^{2} + k (a) \neq (0)$
190863	Resolva a Inequação para x	-3x+5<=4-x	$- 3 x + 5 \leq 4 - x$
190864	Resolva para x	(b-a)x=a-b	$(b - a) x = a - b$
190865	Écrire sous forme de l''équation d''une droite	x+2y<=4	$x + 2 y \leq 4$
190866	Encontre o Termo de 5th	1/8 , 1/4 , 3/8 , 1/2	$\frac{1}{8}$ , $\frac{1}{4}$ , $\frac{3}{8}$ , $\frac{1}{2}$
190867	Trouver la distance entre deux points	(9,-5) and (0,-9)	$(9, - 5)$ and $(0, - 9)$
190868	Resolva para x	cos(x)tan(x)-cos(x)=0	$\cos (x) \tan (x) - \cos (x) = 0$
190869	Encontre g(f(x))	f(x)=x-3 and g(x)=5x^2-2	$f (x) = x - 3$ and $g (x) = 5 x^{2} - 2$
190870	Simplifier	(r-8)/(7(r+2))*(7(r+2))/(r+2)	$\frac{r - 8}{7 (r + 2)} \cdot \frac{7 (r + 2)}{r + 2}$
190871	Resolva para c	3(cx-7)=9	$3 (c x - 7) = 9$
190872	Resolva o Sistema de Inequalities	-25x+175>225 ; AND , 5x-83>=-73	$- 25 x + 175 > 225$ ; AND , $5 x - 83 \geq - 73$
190873	Multiplier	(6m-5n)(-n+m)	$(6 m - 5 n) (- n + m)$
190874	Tracer	x^2-4x+4=2x+1+x^2	$x^{2} - 4 x + 4 = 2 x + 1 + x^{2}$
190875	Resolva a Inequação para x	10(x+4)<8x-(x+2)	$10 (x + 4) < 8 x - (x + 2)$
190876	Trouver le comportement à l''infini	f(x)=2520+3x^3-291x-219x^2+3x^4	$f (x) = 2520 + 3 x^{3} - 291 x - 219 x^{2} + 3 x^{4}$
190877	Factoriser	(2x^2+5x-3)	$(2 x^{2} + 5 x - 3)$
190878	Resolva para B	((5z^2)/(z^2+5z))÷(B/(z^2-2z-35))=1	$\frac{5 z^{2}}{z^{2} + 5 z} \div \frac{B}{z^{2} - 2 z - 35} = 1$
190879	Resolva para b	2x^3-2x^2-24x=ax(x+b)(x+c)	$2 x^{3} - 2 x^{2} - 24 x = a x (x + b) (x + c)$
190880	Encontre f(g(x))	f(x) = cube root of x-1 g(x)=x^3+1	$f (x) = \sqrt[3]{x - 1}$ $g (x) = x^{3} + 1$
190881	Convertir sous forme cartésienne	x=3t+5 , y=t^2-1	$x = 3 t + 5$ , $y = t^{2} - 1$
190882	Resolva o Sistema de Equations	x+2y+2z=-2 2x-2y-z=-5 x+4y+2z=0	$x + 2 y + 2 z = - 2$ $2 x - 2 y - z = - 5$ $x + 4 y + 2 z = 0$
190883	Simplifier	x^2-2x-6 from -6x+5	$x^{2} - 2 x - 6$ from $- 6 x + 5$
190884	Simplifier	((2-3^2)^2+ racine carrée de 81)/(10-6÷3)	$\frac{{(2 - 3^{2})}^{2} + \sqrt{81}}{10 - 6 \div 3}$
190885	Trouver toutes les solutions complexes	-2sin(x)^2=-sin(x)-1	$- 2 \sin^{2} (x) = - \sin (x) - 1$
190886	Tracer	f(x)=x^5-x^4+x^2+14	$f (x) = x^{5} - x^{4} + x^{2} + 14$
190887	Rendre le dénominateur rationnel	1/(5 racine carrée de 5-3 racine carrée de 3)	$\frac{1}{5 \sqrt{5} - 3 \sqrt{3}}$
190888	Trouver les racines (zéros)	y=3x(x-4)^3(x+6)^2(2x+1)^4	$y = 3 x {(x - 4)}^{3} {(x + 6)}^{2} {(2 x + 1)}^{4}$
190889	Tracer	f(x)=1/5 racine cubique de x	$f (x) = \frac{1}{5} \sqrt[3]{x}$
190890	Resolva para x	-8+1/2(-x-4)-5x=-6(-1/3x+2)	$- 8 + \frac{1}{2} (- x - 4) - 5 x = - 6 (- \frac{1}{3} x + 2)$
190891	Resolva para x	6(x+3)<=4x+1	$6 (x + 3) \leq 4 x + 1$
190892	Évaluer	(3/4+5/3)+(7+1/5)	$(\frac{3}{4} + \frac{5}{3}) + (7 + \frac{1}{5})$
190893	Resolva o Sistema de Equations	4x+8y=12 x+2y=-3	$4 x + 8 y = 12$ $x + 2 y = - 3$
190894	Multiplier	(m-5n)(m^2-3mn-9n^2)	$(m - 5 n) (m^{2} - 3 m n - 9 n^{2})$
190895	Diviser	(-2 4/5)÷(-7)	$- 2 \frac{4}{5} \div (- 7)$
190896	Resolva a Inequação para x	racine carrée de x+3> racine carrée de 9-x^2	$\sqrt{x + 3} > \sqrt{9 - x^{2}}$
190897	Trouver les points d''intersection avec les axes des abscisses et des ordonnées	f(x)=(2x^2-11x+9)/(6x^2-27x)	$f (x) = \frac{2 x^{2} - 11 x + 9}{6 x^{2} - 27 x}$
190898	Simplifier	racine carrée de (7x^3)/3	$\sqrt{\frac{7 x^{3}}{3}}$
190899	Simplifier	1/( racine carrée de 3+ racine carrée de 2)	$\frac{1}{\sqrt{3} + \sqrt{2}}$
190900	Resolva para v	-6(2v+4)=-8(v-4)	$- 6 (2 v + 4) = - 8 (v - 4)$