Mathway | Problèmes fréquents

Problèmes fréquents

Rang	Matière	Problème	Problème de formatage
10101	Resolva para y	-4y+4=4(2y+7)	$- 4 y + 4 = 4 (2 y + 7)$
10102	Resolva para x	4.2x-1.4y=2.1	$4.2 x - 1.4 y = 2.1$
10103	Resolva para y	5=y/3-9	$5 = \frac{y}{3} - 9$
10104	Resolva para x	5x-2y=3	$5 x - 2 y = 3$
10105	Resolva para y	x=-4y	$x = - 4 y$
10106	Écrire sous forme de l'équation d'une droite	5x-6y=22	$5 x - 6 y = 22$
10107	Resolva para y	x=(w+y+z)/4	$x = \frac{w + y + z}{4}$
10108	Simplifier	(-3x-2)-(2x+1)	$(- 3 x - 2) - (2 x + 1)$
10109	Écrire sous forme de l'équation d'une droite	x+y=12	$x + y = 12$
10110	Resolva para y	7y+5-3y=y+11	$7 y + 5 - 3 y = y + 11$
10111	Resolva para y	4(8-y)=2y+16	$4 (8 - y) = 2 y + 16$
10112	Écrire sous forme de l'équation d'une droite	4x+2y=10	$4 x + 2 y = 10$
10113	Resolva para x	7x-y=1	$7 x - y = 1$
10114	Resolva para y	8y+11=2y+29	$8 y + 11 = 2 y + 29$
10115	Resolva para x	Ax+By=c	$A x + B y = c$
10116	Resolva para y	9+3y-2y=14	$9 + 3 y - 2 y = 14$
10117	Resolva para x	y=x-8	$y = x - 8$
10118	Resolva para x	y-5=8(x+40)	$y - 5 = 8 (x + 40)$
10119	Resolva para x	y-260=-11/5*(x-100)	$y - 260 = - \frac{11}{5} \cdot (x - 100)$
10120	Resolva para z	z^4-5z^2+4=0	$z^{4} - 5 z^{2} + 4 = 0$
10121	Resolva para z	-2(z+11)=6	$- 2 (z + 11) = 6$
10122	Resolva para x	y-8x=3	$y - 8 x = 3$
10123	Resolva para x	y=2x-8	$y = 2 x - 8$
10124	Resolva para y	y=3(3)+3	$y = 3 (3) + 3$
10125	Resolva para x	y=3x-8	$y = 3 x - 8$
10126	Resolva para y	y=4y^2+7y-6	$y = 4 y^{2} + 7 y - 6$
10127	Resolva para x	y=3x-3	$y = 3 x - 3$
10128	Resolva para x	y=-3x-7	$y = - 3 x - 7$
10129	Resolva para x	y=4-3x	$y = 4 - 3 x$
10130	Resolva para x	y=4x-2	$y = 4 x - 2$
10131	Resolva para x	y=6x+7	$y = 6 x + 7$
10132	Resolva para x	y=8x	$y = 8 x$
10133	Resolva para x	y=5x-4	$y = 5 x - 4$
10134	Resolva para x	y=5x-5	$y = 5 x - 5$
10135	Resolva para z	y=6z+3	$y = 6 z + 3$
10136	Resolva para x	y=-x+9	$y = - x + 9$
10137	Resolva para x	y=x-11	$y = x - 11$
10138	Resolva para x	y=x-3	$y = x - 3$
10139	Resolva para x	y-1=3/4*(x-2)	$y - 1 = \frac{3}{4} \cdot (x - 2)$
10140	Resolva para z	3(2z-7)+4+4=z-6	$3 (2 z - 7) + 4 + 4 = z - 6$
10141	Resolva para z	4z+1-z=1+z	$4 z + 1 - z = 1 + z$
10142	Resolva para x	t=1/8*(x-y+z)	$t = \frac{1}{8} \cdot (x - y + z)$
10143	Simplifier	((x^2y^-3z^-2)/(x^4yz^-3))((2xb*(3y^2))/(4axy^-3))	$(\frac{x^{2} y^{- 3} z^{- 2}}{x^{4} y z^{- 3}}) (\frac{2 x b \cdot (3 y^{2})}{4 a x y^{- 3}})$
10144	Simplifier	((9^2)/(9^-12))((9^-3)/((-9)^9))	$(\frac{9^{2}}{9^{- 12}}) (\frac{9^{- 3}}{{(- 9)}^{9}})$
10145	Simplifier	((x^2-4x+4)/(x^2-4))((x+2)/(x^2+2x+4))	$(\frac{x^{2} - 4 x + 4}{x^{2} - 4}) (\frac{x + 2}{x^{2} + 2 x + 4})$
10146	Simplifier	(-1/2)+3/8-(-1/4)	$(- \frac{1}{2}) + \frac{3}{8} - (- \frac{1}{4})$
10147	Simplifier	(-1/2x^2)(2/3x)	$(- \frac{1}{2} x^{2}) (\frac{2}{3} x)$
10148	Simplifier	(12x^3y^2)/(9xy)	$\frac{12 x^{3} y^{2}}{9 x y}$
10149	Simplifier	-2/3(-9y)3/2(8x)*0	$- \frac{2}{3} (- 9 y) \frac{3}{2} (8 x) \cdot 0$
10150	Simplifier	-2/3(-9y)3/2(8x)*1	$- \frac{2}{3} (- 9 y) \frac{3}{2} (8 x) \cdot 1$
10151	Simplifier	(x^2-7)-(x^2+7)	$(x^{2} - 7) - (x^{2} + 7)$
10152	Simplifier	(x^2+10)*(6x)	$(x^{2} + 10) \cdot (6 x)$
10153	Simplifier	(x^2+0.5)(x^2-0.5)	$(x^{2} + 0.5) (x^{2} - 0.5)$
10154	Simplifier	(x^2-2x-8)(-x^2+3x-5)	$(x^{2} - 2 x - 8) (- x^{2} + 3 x - 5)$
10155	Simplifier	(x^2+3)(x^2-3)	$(x^{2} + 3) (x^{2} - 3)$
10156	Simplifier	(x^2+12x+35)÷(x+5)	$(x^{2} + 12 x + 35) \div (x + 5)$
10157	Simplifier	(x^2+13x+42)÷(x+6)	$(x^{2} + 13 x + 42) \div (x + 6)$
10158	Simplifier	((2r)/(3s))((9s)/(4r^2))	$(\frac{2 r}{3 s}) (\frac{9 s}{4 r^{2}})$
10159	Simplifier	(3/2x-2/3)(-2/3x-4)	$(\frac{3}{2} x - \frac{2}{3}) (- \frac{2}{3} x - 4)$
10160	Simplifier	(6/5x^2-2x-3/5)(6/5x^2-2/5x+3/4)	$(\frac{6}{5} x^{2} - 2 x - \frac{3}{5}) (\frac{6}{5} x^{2} - \frac{2}{5} x + \frac{3}{4})$
10161	Simplifier	racine carrée de 5-3i+(-2+ racine carrée de -9)	$\sqrt{5} - 3 i + (- 2 + \sqrt{- 9})$
10162	Simplifier	( racine carrée de 7- racine carrée de 13)( racine carrée de 7+ racine carrée de 13)	$(\sqrt{7} - \sqrt{13}) (\sqrt{7} + \sqrt{13})$
10163	Simplifier	(x/(x-y)-y/(x+y))÷((x^2+y^2)/(x^2+xy))	$(\frac{x}{x - y} - \frac{y}{x + y}) \div \frac{x^{2} + y^{2}}{x^{2} + x y}$
10164	Simplifier	(3^4)(3^-2)	$(3^{4}) (3^{- 2})$
10165	Simplifier	(5/24)(1/2)	$(\frac{5}{24}) (\frac{1}{2})$
10166	Simplifier	((2x)/3)(7/(xy))	$(\frac{2 x}{3}) (\frac{7}{x y})$
10167	Simplifier	(-1/3y^2)(2/5y)	$(- \frac{1}{3} y^{2}) (\frac{2}{5} y)$
10168	Simplifier	1/(p^-3)	$\frac{1}{p^{- 3}}$
10169	Simplifier	((2m)/3)(7/(mn))	$(\frac{2 m}{3}) (\frac{7}{m n})$
10170	Simplifier	(-ab^7c)(a^7b^8)	$(- a b^{7} c) (a^{7} b^{8})$
10171	Simplifier	(c^2+c-1)(c^2+6c-8)	$(c^{2} + c - 1) (c^{2} + 6 c - 8)$
10172	Simplifier	(-2)(3)(-4)	$(- 2) (3) (- 4)$
10173	Simplifier	-(1-5n)-7n	$- (1 - 5 n) - 7 n$
10174	Simplifier	(1-5q)+2(2.5q+8)	$(1 - 5 q) + 2 (2.5 q + 8)$
10175	Simplifier	(2 4/5)(1 1/4)	$(2 \frac{4}{5}) (1 \frac{1}{4})$
10176	Simplifier	(2a^10b^4)(3a^2b^5)	$(2 a^{10} b^{4}) (3 a^{2} b^{5})$
10177	Simplifier	(-2k^2)(5k^7)(-9k^4)	$(- 2 k^{2}) (5 k^{7}) (- 9 k^{4})$
10178	Simplifier	(2t^2-t-4)(2t^2+2t-1)	$(2 t^{2} - t - 4) (2 t^{2} + 2 t - 1)$
10179	Simplifier	(-2b^2)(4b^3)+(6b^3)(-3b^2)	$(- 2 b^{2}) (4 b^{3}) + (6 b^{3}) (- 3 b^{2})$
10180	Simplifier	(2w^2-3w+1)(w+3)	$(2 w^{2} - 3 w + 1) (w + 3)$
10181	Simplifier	(2v^2+9v)-(-2v^2-4v+9)	$(2 v^{2} + 9 v) - (- 2 v^{2} - 4 v + 9)$
10182	Simplifier	(2x^2+3x-7)-(-4x+5)	$(2 x^{2} + 3 x - 7) - (- 4 x + 5)$
10183	Simplifier	(1+u)(4u-5)	$(1 + u) (4 u - 5)$
10184	Simplifier	(18x^4-10x^2)-(9x^4-18x^2)	$(18 x^{4} - 10 x^{2}) - (9 x^{4} - 18 x^{2})$
10185	Simplifier	14x+5+(10x+5)	$14 x + 5 + (10 x + 5)$
10186	Simplifier	(-15z^2v+23z^3v^2)÷(-3z^3v^2)	$(- 15 z^{2} v + 23 z^{3} v^{2}) \div (- 3 z^{3} v^{2})$
10187	Simplifier	16x^8y*2	$16 x^{8} y \cdot 2$
10188	Simplifier	(x^3+x^2+x+1)(14x-9)	$(x^{3} + x^{2} + x + 1) (14 x - 9)$
10189	Simplifier	(-x^7)(-x)	$(- x^{7}) (- x)$
10190	Simplifier	(x^9+x^8)(x^9+x^8-x^7)	$(x^{9} + x^{8}) (x^{9} + x^{8} - x^{7})$
10191	Simplifier	((x+50)/5)+32	$(\frac{x + 50}{5}) + 32$
10192	Simplifier	(0.7x^3)(0.5x^9)	$(0.7 x^{3}) (0.5 x^{9})$
10193	Simplifier	1.3x+2.4+(-6.1x-3.2)	$1.3 x + 2.4 + (- 6.1 x - 3.2)$
10194	Simplifier	1.1x^3+6.7x^3	$1.1 x^{3} + 6.7 x^{3}$
10195	Simplifier	(10xy^5z^3)(3x^4y^6z^3)	$(10 x y^{5} z^{3}) (3 x^{4} y^{6} z^{3})$
10196	Resolva para x	x+3y=-7	$x + 3 y = - 7$
10197	Resolva para x	x+4x+5x=20	$x + 4 x + 5 x = 20$
10198	Resolva para x	x+47=24	$x + 47 = 24$
10199	Resolva para x	x+4y=-1	$x + 4 y = - 1$
10200	Resolva para x	x+3x+5=21	$x + 3 x + 5 = 21$