Mathway | Problèmes fréquents

Problèmes fréquents

Rang	Matière	Problème	Problème de formatage
156301	Combiner	15x-x	$15 x - x$
156302	Combiner	16+8a-3a+6b-9	$16 + 8 a - 3 a + 6 b - 9$
156303	Combiner	-2x+11+6x	$- 2 x + 11 + 6 x$
156304	Combiner	2ab^2+2bc-7ac-6bc+9ab^2	$2 a b^{2} + 2 b c - 7 a c - 6 b c + 9 a b^{2}$
156305	Combiner	2r-4r+7+r	$2 r - 4 r + 7 + r$
156306	Combiner	-2x-2-y^3-5x+7y^3-3-x	$- 2 x - 2 - y^{3} - 5 x + 7 y^{3} - 3 - x$
156307	Combiner	2x-3y+z+10	$2 x - 3 y + z + 10$
156308	Combiner	32x^5-80x^4+80x^3-40x^2+10x-1	$32 x^{5} - 80 x^{4} + 80 x^{3} - 40 x^{2} + 10 x - 1$
156309	Combiner	2x+7+6x^3-1+3-6x-4x	$2 x + 7 + 6 x^{3} - 1 + 3 - 6 x - 4 x$
156310	Combiner	3(4h+2k)	$3 (4 h + 2 k)$
156311	Combiner	-3f(-8)+7g(2)	$- 3 \cdot f (- 8) + 7 \cdot g (2)$
156312	Combiner	4a+7b-12c-8a-9b+12d	$4 a + 7 b - 12 c - 8 a - 9 b + 12 d$
156313	Combiner	3y+3y+5+7x^3-y-6-7x^3	$3 y + 3 y + 5 + 7 x^{3} - y - 6 - 7 x^{3}$
156314	Combiner	3y+4x^2-3x^2-2y+x^2+2y-3x^3	$3 y + 4 x^{2} - 3 x^{2} - 2 y + x^{2} + 2 y - 3 x^{3}$
156315	Combiner	3x-2x	$3 x - 2 x$
156316	Combiner	-3x+5x	$- 3 x + 5 x$
156317	Combiner	3x-4y+14-4x+2y-8	$3 x - 4 y + 14 - 4 x + 2 y - 8$
156318	Combiner	3x-x	$3 x - x$
156319	Combiner	(2xy-3x^2+4y-5)+(-3xy+4y^2-3y+8)	$(2 x y - 3 x^{2} + 4 y - 5) + (- 3 x y + 4 y^{2} - 3 y + 8)$
156320	Combiner	3/5x-4/7y-2x+5/7y	$\frac{3}{5} x - \frac{4}{7} y - 2 x + \frac{5}{7} y$
156321	Combiner	1/(x^2)-3/(2xy^3)+7/(5xy)	$\frac{1}{x^{2}} - \frac{3}{2 x y^{3}} + \frac{7}{5 x y}$
156322	Combiner	(10m-6)-(7m-4)	$(10 m - 6) - (7 m - 4)$
156323	Combiner	11/12-1/6x+5/6x-1/3	$\frac{11}{12} - \frac{1}{6} x + \frac{5}{6} x - \frac{1}{3}$
156324	Combiner	(6x^2+2x-9)+(8x^2-5x+1)-(3x-4)(7x+2)	$(6 x^{2} + 2 x - 9) + (8 x^{2} - 5 x + 1) - (3 x - 4) (7 x + 2)$
156325	Combiner	(5xy^2-x^2y)+3x^2y	$(5 x y^{2} - x^{2} y) + 3 x^{2} y$
156326	Combiner	7/(xz)+2/(xy)+4/(yz)=	$\frac{7}{x z} + \frac{2}{x y} + \frac{4}{y z} =$
156327	Combiner	9/(x-1)-5/(x+4)	$\frac{9}{x - 1} - \frac{5}{x + 4}$
156328	Combiner	(a^2-5)/(a^3-1)-(a+1)/(a^2+a+1)=	$\frac{a^{2} - 5}{a^{3} - 1} - \frac{a + 1}{a^{2} + a + 1} =$
156329	Combiner	-4/7x+(-2/7x)+1/7	$- \frac{4}{7} x + (- \frac{2}{7} x) + \frac{1}{7}$
156330	Combiner	( racine carrée de 5)( racine cubique de 5)	$(\sqrt{5}) (\sqrt[3]{5})$
156331	Combiner	1/(1+sin(x))+1/(1-sin(x))	$\frac{1}{1 + \sin (x)} + \frac{1}{1 - \sin (x)}$
156332	Combiner	1/3 logarithme de (x-1)^3+1/2( logarithme de x^4- logarithme de x^2-x-6)	$\frac{1}{3} \log ({(x - 1)}^{3}) + \frac{1}{2} (\log (x^{4}) - \log (x^{2} - x - 6))$
156333	Solve Using a Matrix by Elimination	5x-4y=32x+3y=38	$5 x - 4 y = 32 x + 3 y = 38$
156334	Solve Using a Matrix by Elimination	6x-8y=5-3x+4y=-4	$6 x - 8 y = 5 - 3 x + 4 y = - 4$
156335	Solve Using a Matrix by Elimination	x-2y=-8-x+2y=8	$x - 2 y = - 8 - x + 2 y = 8$
156336	Solve Using a Matrix by Elimination	x-2y-z=-52x-3y-z=3x-4y-z=1	$x - 2 y - z = - 52 x - 3 y - z = 3 x - 4 y - z = 1$
156337	Solve Using a Matrix by Elimination	x+2y=10-2x-4y=245x+5y+5z=15	$x + 2 y = 10 - 2 x - 4 y = 245 x + 5 y + 5 z = 15$
156338	Solve Using a Matrix by Elimination	2x-y=5x+3y=7	$2 x - y = 5 x + 3 y = 7$
156339	Solve Using a Matrix by Elimination	4x+2y=102x-3y=-7	$4 x + 2 y = 102 x - 3 y = - 7$
156340	Solve Using a Matrix by Elimination	4x+3y=42x-y=7	$4 x + 3 y = 42 x - y = 7$
156341	Solve Using a Matrix by Elimination	2x+4y=16 -4x-8y=32	$2 x + 4 y = 16$ $- 4 x - 8 y = 32$
156342	Solve Using a Matrix by Elimination	2x+y+z=4 6y+5z=-33x*5y-z=27	$2 x + y + z = 4$ $6 y + 5 z = - 33 x \cdot 5 y - z = 27$
156343	Solve Using a Matrix by Elimination	4x-2y=-123x-y=-3	$4 x - 2 y = - 123 x - y = - 3$
156344	Combiner	y+(y-3)/3	$y + \frac{y - 3}{3}$
156345	Combiner	x+y+2y-4	$x + y + 2 y - 4$
156346	Combiner	xy-(4x^5)/(x^2-xy)	$x y - \frac{4 x^{5}}{x^{2} - x y}$
156347	Combiner	7-7+5x-5x+2+2x^2+2x	$7 - 7 + 5 x - 5 x + 2 + 2 x^{2} + 2 x$
156348	Combiner	7a-2b-5a+14b	$7 a - 2 b - 5 a + 14 b$
156349	Combiner	7x-3x	$7 x - 3 x$
156350	Combiner	-7y^2-2y^2+y^3-3y-2y+5y^3-2y	$- 7 y^{2} - 2 y^{2} + y^{3} - 3 y - 2 y + 5 y^{3} - 2 y$
156351	Combiner	7y^2-4x+7x+2-2x-3-7y^2	$7 y^{2} - 4 x + 7 x + 2 - 2 x - 3 - 7 y^{2}$
156352	Combiner	-7y^3-3y+5y-y^3-4+7y^3-7y	$- 7 y^{3} - 3 y + 5 y - y^{3} - 4 + 7 y^{3} - 7 y$
156353	Combiner	8n+12+(-9)-(6n)	$8 n + 12 + (- 9) - (6 n)$
156354	Combiner	-8x-4x-8b+8	$- 8 x - 4 x - 8 b + 8$
156355	Combiner	-9 racine carrée de 11x-15 racine carrée de 11x- racine carrée de 11x	$- 9 \sqrt{11 x} - 15 \sqrt{11 x} - \sqrt{11 x}$
156356	Combiner	9x+x	$9 x + x$
156357	Combiner	-9xy^2+6x^2y-5x^3	$- 9 x y^{2} + 6 x^{2} y - 5 x^{3}$
156358	Combiner	x racine carrée de y+z racine carrée de y	$x \sqrt{y} + z \sqrt{y}$
156359	Combiner	x+20y-2z+19x-2y+19z	$x + 20 y - 2 z + 19 x - 2 y + 19 z$
156360	Combiner	sin(x)+cos(x)	$\sin (x) + \cos (x)$
156361	Combiner	f(-3)+2f(-1)-f(4)	$f (- 3) + 2 f (- 1) - f (4)$
156362	Combiner	logarithme népérien de x/(x-7)+ logarithme népérien de (x+7)/x- logarithme népérien de x^2-49	$\ln (\frac{x}{x - 7}) + \ln (\frac{x + 7}{x}) - \ln (x^{2} - 49)$
156363	Combiner	m racine carrée de p+n racine carrée de p- racine carrée de p	$m \sqrt{p} + n \sqrt{p} - \sqrt{p}$
156364	Combiner	a+b-9a-5b	$a + b - 9 a - 5 b$
156365	Combiner	9x^2+10x^2-4x-9+29x^2+5+14x-8x	$9 x^{2} + 10 x^{2} - 4 x - 9 + 29 x^{2} + 5 + 14 x - 8 x$
156366	Combiner	5 racine carrée de xy+25 racine carrée de x	$5 \sqrt{x y} + 25 \sqrt{x}$
156367	Combiner	-5-2x^2+6-2y-2y-5x^2+6x^2	$- 5 - 2 x^{2} + 6 - 2 y - 2 y - 5 x^{2} + 6 x^{2}$
156368	Combiner	5-3x^2-2x^2-2x^3-x^3-3+3x^2	$5 - 3 x^{2} - 2 x^{2} - 2 x^{3} - x^{3} - 3 + 3 x^{2}$
156369	Combiner	54+31+7n^2-n^2	$54 + 31 + 7 n^{2} - n^{2}$
156370	Combiner	5a^2-6a+7a^2+3a-2+8a+7	$5 a^{2} - 6 a + 7 a^{2} + 3 a - 2 + 8 a + 7$
156371	Combiner	-5.8y+4.2-3.1+1.4y	$- 5.8 y + 4.2 - 3.1 + 1.4 y$
156372	Combiner	4x+2x	$4 x + 2 x$
156373	Combiner	4x racine carrée de 8x+6 racine carrée de 18x^3	$4 x \sqrt{8 x} + 6 \sqrt{18 x^{3}}$
156374	Combiner	-6y+y^2+3-4y^2-7+1-4y	$- 6 y + y^{2} + 3 - 4 y^{2} - 7 + 1 - 4 y$
156375	Combiner	6x-8x	$6 x - 8 x$
156376	Combiner	-6x-6x	$- 6 x - 6 x$
156377	Combiner	6x^2+3x+9x^2+3	$6 x^{2} + 3 x + 9 x^{2} + 3$
156378	Combiner	6x+4x	$6 x + 4 x$
156379	Combiner	6x-3x	$6 x - 3 x$
156380	Combiner	5x+6+(-7x)	$5 x + 6 + (- 7 x)$
156381	Combiner	5y^2-5y^3-7y^2+7y^3	$5 y^{2} - 5 y^{3} - 7 y^{2} + 7 y^{3}$
156382	Combiner	-6+5y^3+6-6y^3+5y^3-4-x	$- 6 + 5 y^{3} + 6 - 6 y^{3} + 5 y^{3} - 4 - x$
156383	Trouver les racines (zéros)	x^2-3x=1	$x^{2} - 3 x = 1$
156384	Trouver le reste	(3b^2+13b+4)/(b+4)	$\frac{(3 b^{2} + 13 b + 4)}{b + 4}$
156385	Trouver le reste	(3x^3-5x^2-4x+1)/(x+3)	$\frac{(3 x^{3} - 5 x^{2} - 4 x + 1)}{(x + 3)}$
156386	Trouver le reste	(2x^3+x^2-2x+2)/(x+2)	$\frac{(2 x^{3} + x^{2} - 2 x + 2)}{x + 2}$
156387	Trouver le reste	(2x^3-13x^2+8x+48)/(x-4)	$\frac{(2 x^{3} - 13 x^{2} + 8 x + 48)}{(x - 4)}$
156388	Trouver le reste	(2x^3-5x+2)/(x-4)	$\frac{(2 x^{3} - 5 x + 2)}{x - 4}$
156389	Trouver le reste	(2x^3-x^2-10x-9)/(x-1/2)	$\frac{(2 x^{3} - x^{2} - 10 x - 9)}{x - \frac{1}{2}}$
156390	Trouver le reste	(2x^3-x+1)/(x+5)	$\frac{(2 x^{3} - x + 1)}{(x + 5)}$
156391	Trouver le reste	(4x^3-3x^2+x+7)/(x-2)	$\frac{(4 x^{3} - 3 x^{2} + x + 7)}{(x - 2)}$
156392	Trouver le reste	(4x^3+2x^2-18x+38)/(x-3)	$\frac{(4 x^{3} + 2 x^{2} - 18 x + 38)}{x - 3}$
156393	Trouver le reste	(5x^2-7x+3)/(x-2)	$\frac{(5 x^{2} - 7 x + 3)}{(x - 2)}$
156394	Trouver le reste	(4x^2-6x+2)/(x-2)	$\frac{(4 x^{2} - 6 x + 2)}{(x - 2)}$
156395	Trouver le reste	(4x^2-2x+6)/(x-1)	$\frac{(4 x^{2} - 2 x + 6)}{(x - 1)}$
156396	Trouver le reste	(3x^4+5x^2-8x-10)/(x+3)	$\frac{(3 x^{4} + 5 x^{2} - 8 x - 10)}{(x + 3)}$
156397	Trouver l'écart interquartile (EI)	7 , 8 , 9 , 10 , 11 , 12 , 14 , 15 , 15 , 16	$7$ , $8$ , $9$ , $10$ , $11$ , $12$ , $14$ , $15$ , $15$ , $16$
156398	Trouver le reste	(2x^2-33x+16)/(x-16)	$\frac{(2 x^{2} - 33 x + 16)}{(x - 16)}$
156399	Trouver le reste	(2x^3+4x^2-32x+18)/(x-3)	$\frac{(2 x^{3} + 4 x^{2} - 32 x + 18)}{x - 3}$
156400	Trouver le reste	(123x^3+456x^2-789x-10)/x	$\frac{(123 x^{3} + 456 x^{2} - 789 x - 10)}{x}$