Mathway | Problèmes fréquents

Problèmes fréquents

Rang	Matière	Problème	Problème de formatage
7801	Simplifier	2-2	$2 - 2$
7802	Simplifier	23 6/13+32 7/8	$23 \frac{6}{13} + 32 \frac{7}{8}$
7803	Simplifier	24.3x+13.2-9.5x-25.7	$24.3 x + 13.2 - 9.5 x - 25.7$
7804	Simplifier	-24+2(y-9)	$- 24 + 2 (y - 9)$
7805	Simplifier	20xy(x+y)	$20 x y (x + y)$
7806	Simplifier	-21(a+2b)+14a-9b	$- 21 (a + 2 b) + 14 a - 9 b$
7807	Simplifier	21a^5+93j^3+15a^6	$21 a^{5} + 93 j^{3} + 15 a^{6}$
7808	Simplifier	21x^3+35x-9x^2-15	$21 x^{3} + 35 x - 9 x^{2} - 15$
7809	Simplifier	21÷1 3/4*2 2/9	$21 \div 1 \frac{3}{4} \cdot 2 \frac{2}{9}$
7810	Simplifier	-20(19-a)	$- 20 (19 - a)$
7811	Simplifier	2x^3-11x^2y+13xy^2-(4y^3)÷x-4y	$2 x^{3} - 11 x^{2} y + 13 x y^{2} - 4 y^{3} \div x - 4 y$
7812	Simplifier	-20+13t+12q-4t-4q+4	$- 20 + 13 t + 12 q - 4 t - 4 q + 4$
7813	Simplifier	20+3xy-3+4y^2+10-2y^2	$20 + 3 x y - 3 + 4 y^{2} + 10 - 2 y^{2}$
7814	Simplifier	20+5x+12y+3xy	$20 + 5 x + 12 y + 3 x y$
7815	Simplifier	20000÷(6/4)	$20000 \div \frac{6}{4}$
7816	Simplifier	2j+5(5-9j)	$2 j + 5 (5 - 9 j)$
7817	Simplifier	2t(-t-8)	$2 t (- t - 8)$
7818	Simplifier	-2a-9a	$- 2 a - 9 a$
7819	Simplifier	27x^2-29x^2	$27 x^{2} - 29 x^{2}$
7820	Simplifier	2c(12c^3-10)	$2 c (12 c^{3} - 10)$
7821	Simplifier	2g+3(g+5)	$2 g + 3 (g + 5)$
7822	Simplifier	27.43x^1.89	$27.43 x^{1.89}$
7823	Simplifier	29÷6x	$29 \div 6 x$
7824	Simplifier	-27x^6y^-3*2/3	$- 27 x^{6} y^{- 3} \cdot \frac{2}{3}$
7825	Simplifier	28x^2y	$28 x^{2} y$
7826	Simplifier	2x(x^2+9x-9)	$2 x (x^{2} + 9 x - 9)$
7827	Simplifier	2r-5+6r	$2 r - 5 + 6 r$
7828	Simplifier	2w	$2 w$
7829	Simplifier	2x(3x^2-5x+5)	$2 x (3 x^{2} - 5 x + 5)$
7830	Simplifier	-2x+3x^4-4+3x^4+2x+14-5x^2	$- 2 x + 3 x^{4} - 4 + 3 x^{4} + 2 x + 14 - 5 x^{2}$
7831	Simplifier	-2x*(2x)	$- 2 x \cdot (2 x)$
7832	Simplifier	-2w-5(-6z+3w)-z	$- 2 w - 5 (- 6 z + 3 w) - z$
7833	Simplifier	2x+2y-x-y-7+5y	$2 x + 2 y - x - y - 7 + 5 y$
7834	Simplifier	2x+1	$2 x + 1$
7835	Simplifier	2x+15	$2 x + 15$
7836	Simplifier	(9x^3+66x^2-18)/(5x^2-18x-60)	$\frac{9 x^{3} + 66 x^{2} - 18}{5 x^{2} - 18 x - 60}$
7837	Simplifier	((9^8)÷(3^2)x*3^-6)÷(2^3)+2^0	$9^{8} \div 3^{2} x \cdot 3^{- 6} \div 2^{3} + 2^{0}$
7838	Simplifier	9/(x-3)+9/(3-x)	$\frac{9}{x - 3} + \frac{9}{3 - x}$
7839	Simplifier	(8xv)/(x^2-4v^2)+(x-2v)/(x+2v)	$\frac{8 x v}{x^{2} - 4 v^{2}} + \frac{x - 2 v}{x + 2 v}$
7840	Simplifier	((9x^5)/(a^2-b^2))÷((27x^2)/(3b-3a))	$\frac{9 x^{5}}{a^{2} - b^{2}} \div \frac{27 x^{2}}{3 b - 3 a}$
7841	Simplifier	9/(10x)+5/(4x^2)	$\frac{9}{10 x} + \frac{5}{4 x^{2}}$
7842	Simplifier	(9/16)÷(27/32)-4/27*9/8	$\frac{9}{16} \div \frac{27}{32} - \frac{4}{27} \cdot \frac{9}{8}$
7843	Simplifier	9/42	$\frac{9}{42}$
7844	Simplifier	8/14	$\frac{8}{14}$
7845	Simplifier	8/(x-4)-3/(x+2)	$\frac{8}{x - 4} - \frac{3}{x + 2}$
7846	Simplifier	-(7y)/20*4/(5y)	$- \frac{7 y}{20} \cdot \frac{4}{5 y}$
7847	Simplifier	89/100	$\frac{89}{100}$
7848	Simplifier	(8a)/b+(9b)/4	$\frac{8 a}{b} + \frac{9 b}{4}$
7849	Simplifier	(8x)/52	$\frac{8 x}{52}$
7850	Simplifier	(81x^9)/(y^4)*(x^2)/(36x^5y)	$\frac{81 x^{9}}{y^{4}} \cdot \frac{x^{2}}{36 x^{5} y}$
7851	Simplifier	-(8a-9b)/(9a)+(5a-8b)/(6a)+1	$- \frac{8 a - 9 b}{9 a} + \frac{5 a - 8 b}{6 a} + 1$
7852	Simplifier	(8x)/x	$\frac{8 x}{x}$
7853	Simplifier	((9x-17)/(15x-30))÷((6x^(2-18))/(14-7))	$\frac{9 x - 17}{15 x - 30} \div \frac{6 x^{2 - 18}}{14 - 7}$
7854	Simplifier	(8a)/b-(5b)/2	$\frac{8 a}{b} - \frac{5 b}{2}$
7855	Simplifier	(9x-4)/(5x+1)-(4x-5)/(5x+1)	$\frac{9 x - 4}{5 x + 1} - \frac{4 x - 5}{5 x + 1}$
7856	Simplifier	(-9x-4x)/7-(-2x+9)/4	$\frac{- 9 x - 4 x}{7} - \frac{- 2 x + 9}{4}$
7857	Simplifier	(9c)/4-5/4	$\frac{9 c}{4} - \frac{5}{4}$
7858	Simplifier	(9a+8x)/(8a)+(5a+6x)/(4a)+1	$\frac{9 a + 8 x}{8 a} + \frac{5 a + 6 x}{4 a} + 1$
7859	Simplifier	93/14	$\frac{93}{14}$
7860	Simplifier	(9k-3)/(1-9k^2)*(9k^2+6k+1)/6	$\frac{9 k - 3}{1 - 9 k^{2}} \cdot \frac{9 k^{2} + 6 k + 1}{6}$
7861	Simplifier	a^7(a^8)(a)	$a^{7} (a^{8}) (a)$
7862	Simplifier	a/(a-b)+6/(6-a)	$\frac{a}{a - b} + \frac{6}{6 - a}$
7863	Simplifier	a^(-3/2)	$a^{- \frac{3}{2}}$
7864	Simplifier	a^2+b^2+2ab+2bc+2ac	$a^{2} + b^{2} + 2 a b + 2 b c + 2 a c$
7865	Simplifier	a^3-b^3	$a^{3} - b^{3}$
7866	Simplifier	8/x+5/(x^2)	$\frac{8}{x} + \frac{5}{x^{2}}$
7867	Simplifier	(7x)/(x+1)+8/(x-1)-14/(x^2-1)	$\frac{7 x}{x + 1} + \frac{8}{x - 1} - \frac{14}{x^{2} - 1}$
7868	Simplifier	8/9*(b-72)	$\frac{8}{9} \cdot (b - 72)$
7869	Simplifier	8/(x-8)+x/(x-8)	$\frac{8}{x - 8} + \frac{x}{x - 8}$
7870	Simplifier	((8m^2)/(12m^3-48m^2))÷(6/(12m-48))	$\frac{8 m^{2}}{12 m^{3} - 48 m^{2}} \div \frac{6}{12 m - 48}$
7871	Simplifier	8/(x^2-36)-2/(x^2+12x+36)	$\frac{8}{x^{2} - 36} - \frac{2}{x^{2} + 12 x + 36}$
7872	Simplifier	-8/(15y)-2/(15y)	$- \frac{8}{15 y} - \frac{2}{15 y}$
7873	Simplifier	8/36	$\frac{8}{36}$
7874	Simplifier	8/(5r-1)-8÷(8/(5r-1))+8	$\frac{8}{5 r - 1} - 8 \div \frac{8}{5 r - 1} + 8$
7875	Simplifier	75/100	$\frac{75}{100}$
7876	Simplifier	(7n)/(24n^3-64n^2)*(9n-24)/(7n)	$\frac{7 n}{24 n^{3} - 64 n^{2}} \cdot \frac{9 n - 24}{7 n}$
7877	Simplifier	72/3	$\frac{72}{3}$
7878	Simplifier	(7x)/(3x^2-2x-16)-(2x)/(x^2+x-2)	$\frac{7 x}{3 x^{2} - 2 x - 16} - \frac{2 x}{x^{2} + x - 2}$
7879	Simplifier	(7x)/(x+7)+(4x)/(x-6)	$\frac{7 x}{x + 7} + \frac{4 x}{x - 6}$
7880	Simplifier	(7x+3)/(5x-3)-(2x+6)/(5x-3)	$\frac{7 x + 3}{5 x - 3} - \frac{2 x + 6}{5 x - 3}$
7881	Simplifier	((7x-21)/3)÷((3x-9)/5)	$\frac{7 x - 21}{3} \div \frac{3 x - 9}{5}$
7882	Simplifier	(7x-21)/(5x+15)*(14x+42)/(10x-30)	$\frac{7 x - 21}{5 x + 15} \cdot \frac{14 x + 42}{10 x - 30}$
7883	Simplifier	(8x^2)/(8x^(4/3))	$\frac{8 x^{2}}{8 x^{\frac{4}{3}}}$
7884	Simplifier	(6y)/z	$\frac{6 y}{z}$
7885	Simplifier	(6x+y)/(xy)-(b-y)/(by)	$\frac{6 x + y}{x y} - \frac{b - y}{b y}$
7886	Simplifier	-7/10	$- \frac{7}{10}$
7887	Simplifier	7/1 1/3*83/x	$\frac{7}{1 \frac{1}{3}} \cdot \frac{83}{x}$
7888	Simplifier	7/14	$\frac{7}{14}$
7889	Simplifier	7/(16x)+3/(5x)	$\frac{7}{16 x} + \frac{3}{5 x}$
7890	Simplifier	7/(x+2)-4/(x-5)	$\frac{7}{x + 2} - \frac{4}{x - 5}$
7891	Simplifier	-7/(x+1)-9/(2(x+1))	$\frac{- 7}{x + 1} - \frac{9}{2 (x + 1)}$
7892	Simplifier	7/x-6÷((7-6x)/7)	$\frac{7}{x} - 6 \div \frac{7 - 6 x}{7}$
7893	Simplifier	7/x-2/3	$\frac{7}{x} - \frac{2}{3}$
7894	Simplifier	7/x-6/(x+1)	$\frac{7}{x} - \frac{6}{x + 1}$
7895	Simplifier	7/(v+5)+(-8v-5)/(v^2+5v)-(6-v)/v	$\frac{7}{v + 5} + \frac{- 8 v - 5}{v^{2} + 5 v} - \frac{6 - v}{v}$
7896	Simplifier	7/8+5/12+7/15	$\frac{7}{8} + \frac{5}{12} + \frac{7}{15}$
7897	Simplifier	7/8x	$\frac{7}{8} x$
7898	Simplifier	7/8x-10/9x	$\frac{7}{8} x - \frac{10}{9} x$
7899	Simplifier	7/5x+63/5	$\frac{7}{5} x + \frac{63}{5}$
7900	Simplifier	7/8+8/x	$\frac{7}{8} + \frac{8}{x}$