Mathway | Problèmes fréquents

Problèmes fréquents

Rang	Matière	Problème	Problème de formatage
166701	Écrire sous forme usuelle	7x^2-4+6x^3-4x-x^4	$7 x^{2} - 4 + 6 x^{3} - 4 x - x^{4}$
166702	Resolva para a	9a-4a-3=12	$9 a - 4 a - 3 = 12$
166703	Resolva a Inequação para x	x^2>x+2	$x^{2} > x + 2$
166704	Tracer	y<=1/3x+6 and y>3x+2	$y \leq \frac{1}{3} x + 6$ and $y > 3 x + 2$
166705	Simplifier	-3x(5x+1)(8-2x)	$- 3 x (5 x + 1) (8 - 2 x)$
166706	Diviser	3/41/2	$\frac{3}{4} \cdot \frac{1}{2}$
166707	Simplifier	((x+8)/18)÷((2x^2+16x)/(16x))	$\frac{x + 8}{18} \div \frac{2 x^{2} + 16 x}{16 x}$
166708	Trouver les points d''intersection avec les axes des abscisses et des ordonnées	f(x)=\|3x+1\|-8	$f (x) = \| 3 x + 1 \| - 8$
166709	Resolva para x	15=1/2+3/2x+10	$15 = \frac{1}{2} + \frac{3}{2} x + 10$
166710	Resolva para v	-12u+3=8v+1	$- 12 u + 3 = 8 v + 1$
166711	Simplifier	i(2+3i)(4i-1)	$i (2 + 3 i) (4 i - 1)$
166712	Resolva para x	-2\|x+5\|<=-4	$- 2 \| x + 5 \| \leq - 4$
166713	Resolva para x	2/3-4x+7/2=-9x+5/6	$\frac{2}{3} - 4 x + \frac{7}{2} = - 9 x + \frac{5}{6}$
166714	Resolva a Inequação para x	4-2x<=0	$4 - 2 x \leq 0$
166715	Resolva para x	5/6=-2/5x-2/3	$\frac{5}{6} = - \frac{2}{5} x - \frac{2}{3}$
166716	Écrire sous forme usuelle	f(x)=-3x+5x^3-6x^2+2	$f (x) = - 3 x + 5 x^{3} - 6 x^{2} + 2$
166717	Trouver le produit	(3x+2y)^3	${(3 x + 2 y)}^{3}$
166718	Évaluer	logarithme de a* base logarithmique a de 5	$\log (a) \cdot \log_{a} (5)$
166719	Simplifier	(x^14y^3z^2)/(x^9y^4z^2)	$\frac{x^{14} y^{3} z^{2}}{x^{9} y^{4} z^{2}}$
166720	Resolva para s	-10=-5/6s	$- 10 = - \frac{5}{6} s$
166721	Resolva para b	15.4=-b/0.2+1.9	$15.4 = - \frac{b}{0.2} + 1.9$
166722	Tracer	y>3x+2 and 2y>=6x-4	$y > 3 x + 2$ and $2 y \geq 6 x - 4$
166723	Simplifier	(x^6)/(xy^-5y^3)	$\frac{x^{6}}{x y^{- 5} y^{3}}$
166724	Simplifier	2(-3w+(-11))	$2 (- 3 w + (- 11))$
166725	Écrire comme un unique logarithme	1/3 logarithme de x- logarithme de 5	$\frac{1}{3} \log (x) - \log (5)$
166726	Multiplier	(n-3ux)(n+3ux)	$(n - 3 u x) (n + 3 u x)$
166727	Resolva para p	p/-8+9>13	$\frac{p}{- 8} + 9 > 13$
166728	Simplifier	(x^2+2)/(2+x^2)	$\frac{x^{2} + 2}{2 + x^{2}}$
166729	Simplifier	(4z^-4t^10)/((3z^3t^-4)^2)	$\frac{4 z^{- 4} t^{10}}{{(3 z^{3} t^{- 4})}^{2}}$
166730	Resolva a Inequação para x	1/(2x)-7/(5x)<3	$\frac{1}{2 x} - \frac{7}{5 x} < 3$
166731	Simplifier	((x^3y^-3)/(x^2y))^-3	${(\frac{x^{3} y^{- 3}}{x^{2} y})}^{- 3}$
166732	Resolva para w	9/4w=3/8w-2+5/2w	$\frac{9}{4} w = \frac{3}{8} w - 2 + \frac{5}{2} w$
166733	Tracer	y=(x^2-4)/(x-2)	$y = \frac{x^{2} - 4}{x - 2}$
166734	Tracer	7<=y-3x<11	$7 \leq y - 3 x < 11$
166735	Resolva a Inequação para x	56-10x>=20+8x	$56 - 10 x \geq 20 + 8 x$
166736	Évaluer	-2/5-4/5+(-9/10)	$- \frac{2}{5} - \frac{4}{5} + (- \frac{9}{10})$
166737	Resolva para x	80=1.25(1/2)^(-2x-5)	$80 = 1.25 {(\frac{1}{2})}^{- 2 x - 5}$
166738	Simplifier	(f(2+h)-f(2))/h	$\frac{f (2 + h) - f (2)}{h}$
166739	Resolva para x	-2(3x+4)=-4(x-2)-2x	$- 2 (3 x + 4) = - 4 (x - 2) - 2 x$
166740	Tracer	y=1/2cos(x-pi/3)	$y = \frac{1}{2} \cos (x - \frac{π}{3})$
166741	Resolva o Sistema de Equations	y=-1/2x-1 y=1/4x-4	$y = - \frac{1}{2} x - 1$ $y = \frac{1}{4} x - 4$
166742	Simplifier l''expression avec une racine	(12 racine carrée de x)/(4x^3)	$\frac{12 \sqrt{x}}{4 x^{3}}$
166743	Resolva o Sistema de Equations	y+12=x^2+x x+y=3	$y + 12 = x^{2} + x$ $x + y = 3$
166744	Resolva para y	2y-18x=-26 for y	$2 y - 18 x = - 26$ for $y$
166745	Multiplier	x*3x^2	$x \cdot 3 x^{2}$
166746	Trouver le domaine de définition et l''ensemble d''arrivée	y=x^(1/3)	$y = x^{\frac{1}{3}}$
166747	Tracer	y=-1/2 racine cubique de x	$y = - \frac{1}{2} \sqrt[3]{x}$
166748	Résoudre en utilisant la formule quadratique	3x^2-7x=x^2-14x-4	$3 x^{2} - 7 x = x^{2} - 14 x - 4$
166749	Trouver la valeur exacte	(4/25)^(-1/2)	${(\frac{4}{25})}^{- \frac{1}{2}}$
166750	Factoriser en regroupant	x^6-y^6	$x^{6} - y^{6}$
166751	Resolva a Inequação para x	4x^2-16>=0	$4 x^{2} - 16 \geq 0$
166752	Resolva para F	racine carrée de gF+H=u	$\sqrt{g F + H} = u$
166753	Trouver le degré, le terme dominant et le coefficient dominant	f(x)=-3x+5x^3-6x^2+2	$f (x) = - 3 x + 5 x^{3} - 6 x^{2} + 2$
166754	Resolva para x	x/(2x+7)=(x-5)/(x-1)	$\frac{x}{2 x + 7} = \frac{x - 5}{x - 1}$
166755	Resolva para x	5+\|6-5x\|=14	$5 + \| 6 - 5 x \| = 14$
166756	Simplifier	(5 racine cubique de 3x^3)(3 racine cubique de 18x^3)	$(5 \sqrt[3]{3 x^{3}}) (3 \sqrt[3]{18 x^{3}})$
166757	Resolva para x	x/(x-2)-3=6/(x-2)	$\frac{x}{x - 2} - 3 = \frac{6}{x - 2}$
166758	Simplifier	( racine carrée de 3+ racine carrée de 48)( racine carrée de 20- racine carrée de 5)	$(\sqrt{3} + \sqrt{48}) (\sqrt{20} - \sqrt{5})$
166759	Simplifier	(7x+2)/(x-8)+5x	$\frac{7 x + 2}{x - 8} + 5 x$
166760	Convertir en coordonnées polaires.	x^2+y^2=1	$x^{2} + y^{2} = 1$
166761	Resolva para a	1.3-a/0.4=2.8	$1.3 - \frac{a}{0.4} = 2.8$
166762	Resolva a Equação Racional para k	1/(6k^2)=1/(3k^2)-1/k	$\frac{1}{6 k^{2}} = \frac{1}{3 k^{2}} - \frac{1}{k}$
166763	Trouver le PPCM des dénominateurs	4/(x^2+2x-15) and (7x)/(x^2+5x-24)	$\frac{4}{x^{2} + 2 x - 15}$ and $\frac{7 x}{x^{2} + 5 x - 24}$
166764	Resolva para f	6\|-f+3\|+7>7	$6 \| - f + 3 \| + 7 > 7$
166765	Trouver les asymptotes dans le graphique	y=(x^2-4)/(x^2-5x+6)	$y = \frac{x^{2} - 4}{x^{2} - 5 x + 6}$
166766	Tracer	16(x-2)^2-9y^2-144=0	$16 {(x - 2)}^{2} - 9 y^{2} - 144 = 0$
166767	Simplifier	(5+3i)-(5+3i)(5-5i)	$(5 + 3 i) - (5 + 3 i) (5 - 5 i)$
166768	Tracer	y=pi	$y = π$
166769	Simplifier	((x^4y^2)/(z^-4))^-3	${(\frac{x^{4} y^{2}}{z^{- 4}})}^{- 3}$
166770	Resolva para m	3/5m-2-5/2m=-m-1+1/5m	$\frac{3}{5} m - 2 - \frac{5}{2} m = - m - 1 + \frac{1}{5} m$
166771	Tracer	x^2-4x<=12	$x^{2} - 4 x \leq 12$
166772	Simplifier	4n^5+3.5n^5+(-2.1n^5)	$4 n^{5} + 3.5 n^{5} + (- 2.1 n^{5})$
166773	Resolva o Sistema de Equations	x-(3x+4)/7=(y+2)/3 2y-(5x+4)/11=(x+24)/2	$x - \frac{3 x + 4}{7} = \frac{y + 2}{3}$ $2 y - \frac{5 x + 4}{11} = \frac{x + 24}{2}$
166774	Tracer	f(x)=3x if x!=0; 4 if x=0	$f (x) = {\begin{cases} 3 x & x \neq 0 \\ 4 & x = 0 \end{cases}$
166775	Simplifier	(4yz^2)/(3xy^4z)*(15x^2y)/(8x^3yz)	$\frac{4 y z^{2}}{3 x y^{4} z} \cdot \frac{15 x^{2} y}{8 x^{3} y z}$
166776	Resolva o Sistema de Inequalities	7v-5>=65 or -3v-2>=-2	$7 v - 5 \geq 65$ or $- 3 v - 2 \geq - 2$
166777	Resolva para b	y=2x+b	$y = 2 x + b$
166778	Résoudre en complétant le carré	3+x=x^2+3x	$3 + x = x^{2} + 3 x$
166779	Simplifier	(2mn-5mn^2+8m^2n)-(10mn+6m^2n-3mn^2+mn)	$(2 m n - 5 m n^{2} + 8 m^{2} n) - (10 m n + 6 m^{2} n - 3 m n^{2} + m n)$
166780	Resolva a Inequação para x	-4x<=12	$- 4 x \leq 12$
166781	Resolva a Inequação para x	x^2-1>=1	$x^{2} - 1 \geq 1$
166782	Resolva para x	10+\|7-5x\|=11	$10 + \| 7 - 5 x \| = 11$
166783	Resolva para b	r=(b-a)m	$r = (b - a) m$
166784	Resolva para x	(x+1)/5=x/3	$\frac{x + 1}{5} = \frac{x}{3}$
166785	Factoriser	-2c^4-2c^3+2c^2+2c	$- 2 c^{4} - 2 c^{3} + 2 c^{2} + 2 c$
166786	Rendre le dénominateur rationnel	1/( racine carrée de 5* racine cubique de 5)	$\frac{1}{\sqrt{5} \cdot \sqrt[3]{5}}$
166787	Trouver le domaine de définition et l''ensemble d''arrivée	f(x) = square root of x^2	$f (x) = \sqrt{x^{2}}$
166788	Factoriser	1/16-(4x^2)/49	$\frac{1}{16} - \frac{4 x^{2}}{49}$
166789	Multiplier	2 racine carrée de 2*2 racine carrée de 2	$2 \sqrt{2} \cdot 2 \sqrt{2}$
166790	Resolva para c	c/4=-9/8	$\frac{c}{4} = - \frac{9}{8}$
166791	Trouver la fonction réciproque	f(x) = square root of (x+3)/7	$f (x) = \sqrt{\frac{x + 3}{7}}$
166792	Resolva para x	x/3+x/6=7/2	$\frac{x}{3} + \frac{x}{6} = \frac{7}{2}$
166793	Resolva para x	(3x+7)^(1/4)-3=1	${(3 x + 7)}^{\frac{1}{4}} - 3 = 1$
166794	Simplifier	(6z^8)/(-2(z^-3)^5)	$\frac{6 z^{8}}{- 2 {(z^{- 3})}^{5}}$
166795	Resolva para X	20^2+15^2=X^2	$20^{2} + 15^{2} = X^{2}$
166796	Resolva para n	7m+2=6n-5	$7 m + 2 = 6 n - 5$
166797	Factoriser	x(b+2)-b-2+3(b+2)	$x (b + 2) - b - 2 + 3 (b + 2)$
166798	Trouver les asymptotes dans le graphique	f(x)=(2x+8)/(3x+12)	$f (x) = \frac{2 x + 8}{3 x + 12}$
166799	Évaluer	pi/2+1	$\frac{π}{2} + 1$
166800	Trouver la fonction	f(x)=x-6	$f (x) = x - 6$