Mathway | Problèmes fréquents

Problèmes fréquents

Rang	Matière	Problème	Problème de formatage
222901	Évaluer	racine carrée de 15x^2 racine carrée de 15x	$\sqrt{15 x^{2}} \sqrt{15 x}$
222902	Simplifier	-2d(d^3c^2-4dc^2+2d^2c)+c^2(dc^2-3d^4)	$- 2 d (d^{3} c^{2} - 4 d c^{2} + 2 d^{2} c) + c^{2} (d c^{2} - 3 d^{4})$
222903	Resolva a Inequação para x	6x^2-4x>=7x+2	$6 x^{2} - 4 x \geq 7 x + 2$
222904	Resolva para x	4 racine carrée de x=8x-24	$4 \sqrt{x} = 8 x - 24$
222905	Trouver le reste	(x^4+2x^3-13x^2-12x+21)/(x^2-4x+3)	$\frac{x^{4} + 2 x^{3} - 13 x^{2} - 12 x + 21}{x^{2} - 4 x + 3}$
222906	Resolva o Sistema de Equations	3x+5y+8z=-20 -x+2y-4z=18 -6x+4z=0	$3 x + 5 y + 8 z = - 20$ $- x + 2 y - 4 z = 18$ $- 6 x + 4 z = 0$
222907	Resolva a Inequação para x	(x^2+6x)/(x-4)>0	$\frac{x^{2} + 6 x}{x - 4} > 0$
222908	Multiplier	(3x-21)/(x^2-3x-28)*(5x+20)/(2x+8)	$\frac{3 x - 21}{x^{2} - 3 x - 28} \cdot \frac{5 x + 20}{2 x + 8}$
222909	Simplifier	(2x+1)/(8x^3)+(x-1)/(4x^2)	$\frac{2 x + 1}{8 x^{3}} + \frac{x - 1}{4 x^{2}}$
222910	Tracer	x+y<=8 and y<=-8	$x + y \leq 8$ and $y \leq - 8$
222911	Simplifier	(2x^2-5x-16)/(x^2-x-20)-x/(x+4)	$\frac{2 x^{2} - 5 x - 16}{x^{2} - x - 20} - \frac{x}{x + 4}$
222912	Simplifier	square root of 9	square root of $9$
222913	Simplifier	racine carrée de 54x^4y^3* racine carrée de 72xy^6	$\sqrt{54 x^{4} y^{3}} \cdot \sqrt{72 x y^{6}}$
222914	Rendre le dénominateur rationnel	racine cubique de (x^2)/(3y)	$\sqrt[3]{\frac{x^{2}}{3 y}}$
222915	Simplifier	-(6y^4)/((-2y^-5)^5)	$- \frac{6 y^{4}}{{(- 2 y^{- 5})}^{5}}$
222916	Resolva a Inequação para x	3x^2+184<48x-5	$3 x^{2} + 184 < 48 x - 5$
222917	Simplifier	2x^11-6x^7-(10x^6)÷2x^3	$2 x^{11} - 6 x^{7} - 10 x^{6} \div 2 x^{3}$
222918	Factoriser	2ax+10x+5+a+5b+ab	$2 a x + 10 x + 5 + a + 5 b + a b$
222919	Évaluer	4 racine carrée de 2+2( racine carrée de 36- racine carrée de 8)	$4 \sqrt{2} + 2 (\sqrt{36} - \sqrt{8})$
222920	Trouver la valeur exacte	base logarithmique 3 de 27*81	$\log_{3} (27 \cdot 81)$
222921	Trouver le degré, le terme dominant et le coefficient dominant	y=(x+4)(x+1)(x-1)^2	$y = (x + 4) (x + 1) {(x - 1)}^{2}$
222922	Simplifier l''expression avec une racine	4 racine carrée de 3* racine carrée de 3	$4 \sqrt{3} \cdot \sqrt{3}$
222923	Resolva para x	10/(x+4)=15/(4(x+1))	$\frac{10}{x + 4} = \frac{15}{4 (x + 1)}$
222924	Resolva para x	9 = square root of x/3+1	$9 = \sqrt{\frac{x}{3}} + 1$
222925	Évaluer	-185%-1.7	$- 185 % - 1.7$
222926	Évaluer	-5+(4+(3-(4-8)+(-5-10)))	$- 5 + (4 + (3 - (4 - 8) + (- 5 - 10)))$
222927	Resolva para t	2sin(t)^2-cos(t)-1=0	$2 \sin^{2} (t) - \cos (t) - 1 = 0$
222928	Simplifier l''expression avec une racine	racine carrée de 3x^5* racine carrée de 15x	$\sqrt{3 x^{5}} \cdot \sqrt{15 x}$
222929	Simplifier	18÷6+4÷2-15÷(-3)+4+(-2)÷(-1)	$18 \div 6 + 4 \div 2 - 15 \div (- 3) + 4 + (- 2) \div (- 1)$
222930	Simplifier	3(r-s)*5(r-s)^3	$3 (r - s) \cdot 5 {(r - s)}^{3}$
222931	Resolva a Equação Racional para x	4/(2x)=5/(x+6)	$\frac{4}{2 x} = \frac{5}{x + 6}$
222932	Resolva para x	x^2+bx+16=0	$x^{2} + b x + 16 = 0$
222933	Resolva para f	15f+12-9-11f=43	$15 f + 12 - 9 - 11 f = 43$
222934	Simplifier	( racine carrée de 9xy)/( racine carrée de 2x)	$\frac{\sqrt{9 x y}}{\sqrt{2 x}}$
222935	Simplifier	4y+3-2(x+2y+9)	$4 y + 3 - 2 (x + 2 y + 9)$
222936	Resolva para n	-10n^2-5=-185	$- 10 n^{2} - 5 = - 185$
222937	Resolva a Inequação de Valor Absoluto para x	\|x+4\|=x-1	$\| x + 4 \| = x - 1$
222938	Évaluer	(x^-8*x^5)/(x^-6)	$\frac{x^{- 8} \cdot x^{5}}{x^{- 6}}$
222939	Tracer	y=4+1/2 racine carrée de x+5	$y = 4 + \frac{1}{2} \sqrt{x + 5}$
222940	Simplifier	( racine quatrième de 18)/( racine carrée de 6)	$\frac{\sqrt[4]{18}}{\sqrt{6}}$
222941	Resolva para x	cos(x)-sec(x)=0	$\cos (x) - \sec (x) = 0$
222942	Resolva a Inequação para x	racine carrée de 3x+6+2<=5	$\sqrt{3 x + 6} + 2 \leq 5$
222943	Simplifier	(8x^2+7)-(9x^2-2+x^5)	$(8 x^{2} + 7) - (9 x^{2} - 2 + x^{5})$
222944	Simplifier	racine carrée de 2x- racine carrée de 8x^3-4 racine carrée de 8x^3	$\sqrt{2 x} - \sqrt{8 x^{3}} - 4 \sqrt{8 x^{3}}$
222945	Trouver la valeur exacte	sin(150 degrés )^2-cos(150 degrés )^2	$\sin^{2} (150 °) - \cos^{2} (150 °)$
222946	Simplifier	((6x^3)^2)/((3x^2)^3)	$\frac{{(6 x^{3})}^{2}}{{(3 x^{2})}^{3}}$
222947	Resolva para m	racine carrée de m+6=9	$\sqrt{m + 6} = 9$
222948	Écrire sous forme usuelle	3x^2+2x^6-4x^4-1	$3 x^{2} + 2 x^{6} - 4 x^{4} - 1$
222949	Trouver la valeur exacte	10-4÷2+3*4-1	$10 - 4 \div 2 + 3 \times 4 - 1$
222950	Convertir en coordonnées polaires.	x^2+y^2=x	$x^{2} + y^{2} = x$
222951	Resolva a Equação Racional para x	(2x+1)/(4x-5)=3	$\frac{2 x + 1}{4 x - 5} = 3$
222952	Trouver la valeur exacte	2sin(pi/4)+3tan(pi/4)	$2 \sin (\frac{π}{4}) + 3 \tan (\frac{π}{4})$
222953	Simplifier	x/( racine carrée de 3y)	$\frac{x}{\sqrt{3 y}}$
222954	Simplifier	(5^3*3)^(1/3)	${(5^{3} \cdot 3)}^{\frac{1}{3}}$
222955	Trouver les racines (zéros)	P(I)=16I-0.04I^2	$P (I) = 16 I - 0.04 I^{2}$
222956	Évaluer	80% of 20	$80 %$ of $20$
222957	Resolva a Inequação para x	2<x<=5	$2 < x \leq 5$
222958	Resolva a Inequação para x	24<4x-3+5x+6	$24 < 4 x - 3 + 5 x + 6$
222959	Simplifier l''expression avec une racine	racine sixième de 6* racine cubique de 6^2	$\sqrt[6]{6} \cdot \sqrt[3]{6^{2}}$
222960	Find the Parabola with Focus (1,2) and Directrix y=6	(1,2) , y=6	$(1, 2)$ , $y = 6$
222961	Resolva para x	racine carrée de 8x+3=2 racine carrée de 7x-3	$\sqrt{8 x + 3} = 2 \sqrt{7 x - 3}$
222962	Resolva a Equação Racional para x	7/x+2/9=-5/(3x)	$\frac{7}{x} + \frac{2}{9} = - \frac{5}{3 x}$
222963	Simplifier	36c^5d^3(cd^2)^3	$36 c^{5} d^{3} {(c d^{2})}^{3}$
222964	Simplifier	(-ab)(a^2b)^2	$(- a b) {(a^{2} b)}^{2}$
222965	Resolva a Inequação para a	2a>3b+1	$2 a > 3 b + 1$
222966	Simplifier	(8b^-6c^3)/((2b^2c)^3)	$\frac{8 b^{- 6} c^{3}}{{(2 b^{2} c)}^{3}}$
222967	Resolva para x	2x+1-4=-2x-3	$2 x + 1 - 4 = - 2 x - 3$
222968	Resolva para y	2(x-3)+3y=0	$2 (x - 3) + 3 y = 0$
222969	Mettre sous forme de racine	(2x-5y)^(1/3)	${(2 x - 5 y)}^{\frac{1}{3}}$
222970	Simplifier	(-3/4z^3)^2	${(\frac{- 3}{4} z^{3})}^{2}$
222971	Simplifier	racine carrée de a racine carrée de a^3	$\sqrt{a} \sqrt{a^{3}}$
222972	Resolva o Sistema de Equations	-x-y=3 and 6x+2y=-30	$- x - y = 3$ and $6 x + 2 y = - 30$
222973	Trouver la fonction réciproque	asin (x)+15	asin $(x) + 15$
222974	Multiplier	-3x(5x+1)(8-2x)	$- 3 x (5 x + 1) (8 - 2 x)$
222975	Resolva para p	2p-5=p+5	$2 p - 5 = p + 5$
222976	Multiplier	4x^2y*-2xy	$4 x^{2} y \cdot - 2 x y$
222977	Resolva a Equação Racional para n	5/(n^3+5n^2)=4/(n+5)+1/(n^2)	$\frac{5}{n^{3} + 5 n^{2}} = \frac{4}{n + 5} + \frac{1}{n^{2}}$
222978	Trouver l''ordonnée à l''origine	f(x)=9x+5	$f (x) = 9 x + 5$
222979	Simplifier	2 5/8x-5 3/4x+2	$2 \frac{5}{8} x - 5 \frac{3}{4} x + 2$
222980	Resolva para x	-4x+6<=2x	$- 4 x + 6 \leq 2 x$
222981	Multiplier	(-3m^2-2mn-8n^2)(8m^2+4mn+n^2)	$(- 3 m^{2} - 2 m n - 8 n^{2}) (8 m^{2} + 4 m n + n^{2})$
222982	Multiplier	(x^2)/(4x+8)*(x^2-4)/(x^2+6x-16)	$\frac{x^{2}}{4 x + 8} \cdot \frac{x^{2} - 4}{x^{2} + 6 x - 16}$
222983	Trouver les racines (zéros)	(x^2+6x+8)/(x+4)	$\frac{x^{2} + 6 x + 8}{x + 4}$
222984	Multiplier	(x^3(x+5))/(x-9)*((x-9)(x+8))/(3x^3)	$\frac{x^{3} (x + 5)}{x - 9} \cdot \frac{(x - 9) (x + 8)}{3 x^{3}}$
222985	Resolva para x	( base logarithmique 5 de x)^2-7 base logarithmique 5 de x+12=0	${\log_{5}}^{2} (x) - 7 \log_{5} (x) + 12 = 0$
222986	Trouver les racines (zéros)	3x(x+4)(2x-3)(x-9)	$3 x (x + 4) (2 x - 3) (x - 9)$
222987	Simplifier	- racine carrée de (x^2)/4	$- \sqrt{\frac{x^{2}}{4}}$
222988	Resolva para x	3(x-5)<=x-8	$3 (x - 5) \leq x - 8$
222989	Multiplier	(4r^0)^4	${(4 r^{0})}^{4}$
222990	Find the Parabola with Focus (5,-5) and Directrix y=-4	(5,-5) y=-4	$(5, - 5)$ $y = - 4$
222991	Résoudre sur l''intervalle	cot(x)=-1 , (3pi)/2<=x<=2pi	$\cot (x) = - 1$ , $\frac{3 π}{2} \leq x \leq 2 π$
222992	Simplifier	(2x^3+x^2-3x)/(3x^2-5x+2)	$\frac{2 x^{3} + x^{2} - 3 x}{3 x^{2} - 5 x + 2}$
222993	Simplifier	(2pq^2r^3)(5q^3r^4s)	$(2 p q^{2} r^{3}) (5 q^{3} r^{4} s)$
222994	Multiplier	(y^2-10y+9)/(y^2-1)*(y+4)/(y^2-5y-36)	$\frac{y^{2} - 10 y + 9}{y^{2} - 1} \cdot \frac{y + 4}{y^{2} - 5 y - 36}$
222995	Resolva a Inequação para x	x^2>2	$x^{2} > 2$
222996	Factoriser	x^2+ax-a^2y-axy	$x^{2} + a x - a^{2} y - a x y$
222997	Simplifier	2/3(6x+3)	$\frac{2}{3} (6 x + 3)$
222998	Diviser	(r^4-r^2+4)÷(r^2-r+2)	$(r^{4} - r^{2} + 4) \div (r^{2} - r + 2)$
222999	Tracer	x=(y+1)^3-2	$x = {(y + 1)}^{3} - 2$
223000	Resolva a Inequação para z	6z+4-8+2z<-20	$6 z + 4 - 8 + 2 z < - 20$