Mathway | Problèmes fréquents

Problèmes fréquents

Rang	Matière	Problème	Problème de formatage
202001	Simplifier	(5x)/(7x)+(10x)/(x^2)	$\frac{5 x}{7 x} + \frac{10 x}{x^{2}}$
202002	Simplifier	7(63÷(5^2-2^2)-1)	$7 (63 \div (5^{2} - 2^{2}) - 1)$
202003	Resolva o Sistema de Equations	2x+y=8 x=5	$2 x + y = 8$ $x = 5$
202004	Simplifier	(r^-2s^3)^2(3s)^2	${(r^{- 2} s^{3})}^{2} {(3 s)}^{2}$
202005	Trouver le comportement à l''infini	f(x)=x^4-4x^3+3x^2+4x-5	$f (x) = x^{4} - 4 x^{3} + 3 x^{2} + 4 x - 5$
202006	Factoriser	x^4+8x^3+24x^2+32x+16	$x^{4} + 8 x^{3} + 24 x^{2} + 32 x + 16$
202007	Resolva para n	2n-15=-5n+4n	$2 n - 15 = - 5 n + 4 n$
202008	Évaluer	(1/2)^2+(1/3)^2	${(\frac{1}{2})}^{2} + {(\frac{1}{3})}^{2}$
202009	Resolva para y	-2/3x+y=8	$- \frac{2}{3} x + y = 8$
202010	Resolva a Inequação para p	-5<3p+7<=22	$- 5 < 3 p + 7 \leq 22$
202011	Trouver le produit	(7x^2+x+3)(x-1)	$(7 x^{2} + x + 3) (x - 1)$
202012	Resolva para x	x÷8=1.5÷2	$x \div 8 = 1.5 \div 2$
202013	Resolva a Inequação para d	-2d<5	$- 2 d < 5$
202014	Simplifier	Find the sum of -6x^2-1 and x+9	Find the sum of $- 6 x^{2} - 1$ and $x + 9$
202015	Resolva para w	v=lwh for w	$v = l w h$ for $w$
202016	Simplifier	(y^2(y+3))/(y^6(y+3))	$\frac{y^{2} (y + 3)}{y^{6} (y + 3)}$
202017	Trouver la valeur exacte	sin(arcsin((- racine carrée de 2)/2))	$\sin (\arcsin (\frac{- \sqrt{2}}{2}))$
202018	Simplifier	5a2a(a^3-3a^2+a)	$5 a \cdot 2 a \cdot (a^{3} - 3 a^{2} + a)$
202019	Écrire en notation scientifique	(50000.00015)/(150000.005)	$\frac{5000 \cdot 0.00015}{15000 \cdot 0.005}$
202020	Resolva para b	(3+2i)+(2+bi)=5-4i	$(3 + 2 i) + (2 + b i) = 5 - 4 i$
202021	Multiplier	(x-2)(3x+1)(4x-3)	$(x - 2) (3 x + 1) (4 x - 3)$
202022	Évaluer	(x^-3)(3x^-2)^-1	$(x^{- 3}) {(3 x^{- 2})}^{- 1}$
202023	Simplifier l''expression avec une racine	racine cubique de 56x^5y	$\sqrt[3]{56 x^{5} y}$
202024	Resolva o Sistema de Equations	y=3/5x-1 y=2/5x	$y = \frac{3}{5} x - 1$ $y = \frac{2}{5} x$
202025	Resolva para x	(1/16)^(3x+5)=(1/64)^(x+4)	${(\frac{1}{16})}^{3 x + 5} = {(\frac{1}{64})}^{x + 4}$
202026	Simplifier	(4ab^-2)/(-3c^-2)	$\frac{4 a b^{- 2}}{- 3 c^{- 2}}$
202027	Resolva para x	3(x-4)+2x=4(x-3)-x	$3 (x - 4) + 2 x = 4 (x - 3) - x$
202028	Resolva para n	9n+3(1.2n+0.5)=15.6n	$9 n + 3 (1.2 n + 0.5) = 15.6 n$
202029	Tracer	f(x)=1+1/2 racine cubique de x-2	$f (x) = 1 + \frac{1}{2} \sqrt[3]{x - 2}$
202030	Factoriser	-4y^2+3xy-12y+9x	$- 4 y^{2} + 3 x y - 12 y + 9 x$
202031	Évaluer	(3^3)/9-(-4)^2	$\frac{3^{3}}{9} - {(- 4)}^{2}$
202032	Resolva para x	\|3-2x\|-5x=3	$\| 3 - 2 x \| - 5 x = 3$
202033	Écrire sous forme de l''équation d''une droite	x-y<=1	$x - y \leq 1$
202034	Simplifier	(p^2-9p)/(p^2-4p-45)-2/(p+5)	$\frac{p^{2} - 9 p}{p^{2} - 4 p - 45} - \frac{2}{p + 5}$
202035	Resolva para x	-4/9x-8=0	$- \frac{4}{9} x - 8 = 0$
202036	Trouver la fonction réciproque	f(x)=2 racine cubique de 1/2(x-4)+3	$f (x) = 2 \sqrt[3]{\frac{1}{2} (x - 4)} + 3$
202037	Simplifier	(5^10)/(6^8)	$\frac{5^{10}}{6^{8}}$
202038	Resolva o Sistema de Equations	-6y+2=-4x y-2=x	$- 6 y + 2 = - 4 x$ $y - 2 = x$
202039	Resolva para r	36/42=24/r	$\frac{36}{42} = \frac{24}{r}$
202040	Simplifier	1/(a^2b^-3)(a^2b^-3)^-1	$\frac{1}{a^{2} b^{- 3}} {(a^{2} b^{- 3})}^{- 1}$
202041	Resolva para x	(2x)/(2x+5)=4/5-7/(4x+10)	$\frac{2 x}{2 x + 5} = \frac{4}{5} - \frac{7}{4 x + 10}$
202042	Simplifier	((x^2)/4-1/(x^2))^2	${(\frac{x^{2}}{4} - \frac{1}{x^{2}})}^{2}$
202043	Simplifier	3x^3(2x^2-4x)+2x^2(4x^3+7x^2)	$3 x^{3} (2 x^{2} - 4 x) + 2 x^{2} (4 x^{3} + 7 x^{2})$
202044	Simplifier	x^2(5x^3)^3	$x^{2} {(5 x^{3})}^{3}$
202045	Tracer	y-x>4 x+y>2	$y - x > 4$ $x + y > 2$
202046	Resolva o Sistema de Equations	y=5/2x-1 y=7/2x-3	$y = \frac{5}{2} x - 1$ $y = \frac{7}{2} x - 3$
202047	Simplifier	2/( racine carrée de 6+2)	$\frac{2}{\sqrt{6 + 2}}$
202048	Trouver les points d''intersection avec les axes des abscisses et des ordonnées	y=(x+4)(x+2)(x-1)(x-3)	$y = (x + 4) (x + 2) (x - 1) (x - 3)$
202049	Multiplier	racine cubique de x* racine carrée de 2x	$\sqrt[3]{x} \cdot \sqrt{2 x}$
202050	Simplifier	(6c^2+13c-63)/(6c^2-17c+7)*(2c^2-9c+4)/(12c+54)	$\frac{6 c^{2} + 13 c - 63}{6 c^{2} - 17 c + 7} \cdot \frac{2 c^{2} - 9 c + 4}{12 c + 54}$
202051	Évaluer	(14a^4b^6c^-10)/(8a^-2b^3c^-5)	$\frac{14 a^{4} b^{6} c^{- 10}}{8 a^{- 2} b^{3} c^{- 5}}$
202052	Resolva para a	3 racine carrée de 4a=42	$3 \sqrt{4 a} = 42$
202053	Évaluer	((3^6)/(3^5))^-2	${(\frac{3^{6}}{3^{5}})}^{- 2}$
202054	Evaluer en utilisant la valeur donnée	(-m)^-3n if m=2 and n=-24	${(- m)}^{- 3} n$ if $m = 2$ and $n = - 24$
202055	Resolva para y	y = square root of 1/4	$y = \sqrt{\frac{1}{4}}$
202056	Simplifier	racine cubique de 5^2* racine carrée de 5	$\sqrt[3]{5^{2}} \cdot \sqrt{5}$
202057	Simplifier	((2a^0b^-4)/(b^3))^4*((a^3b^-2)/(3b^4a^-4))^3	${(\frac{2 a^{0} b^{- 4}}{b^{3}})}^{4} \cdot {(\frac{a^{3} b^{- 2}}{3 b^{4} a^{- 4}})}^{3}$
202058	Simplifier	(4xy^2)^(1/2)	${(4 x y^{2})}^{\frac{1}{2}}$
202059	Resolva para k	(7^4)^k=7^-8	${(7^{4})}^{k} = 7^{- 8}$
202060	Simplifier	9x^4(x^3-6x)+4x^2(6x^5+5x^3)	$9 x^{4} (x^{3} - 6 x) + 4 x^{2} (6 x^{5} + 5 x^{3})$
202061	Simplifier	(2ab-a)÷(4b^2-4b+1)	$(2 a b - a) \div (4 b^{2} - 4 b + 1)$
202062	Resolva para x	5 racine sixième de 10x+229-8=7	$5 \sqrt[6]{10 x + 229} - 8 = 7$
202063	Resolva o Sistema de Equations	y=5x y=4x-1	$y = 5 x$ $y = 4 x - 1$
202064	Simplifier	(x^2-xy)/(5y^2-5xy)	$\frac{x^{2} - x y}{5 y^{2} - 5 x y}$
202065	Resolva para x	(2x)^(1/2)=(x+5)^(1/2)	${(2 x)}^{\frac{1}{2}} = {(x + 5)}^{\frac{1}{2}}$
202066	Simplifier	(2x-6)/(-14x+42)	$\frac{2 x - 6}{- 14 x + 42}$
202067	Simplifier	(-a^6b)^2+9a^12b^2	${(- a^{6} b)}^{2} + 9 a^{12} b^{2}$
202068	Simplifier	(27x^2z^4)/(-3x^2z)	$\frac{27 x^{2} z^{4}}{- 3 x^{2} z}$
202069	Trouver les racines (zéros)	(0.3x^2-3x)(5x^3-0.2x^2)=0	$(0.3 x^{2} - 3 x) (5 x^{3} - 0.2 x^{2}) = 0$
202070	Resolva a Inequação para p	-1/3(p+9)<=4	$- \frac{1}{3} (p + 9) \leq 4$
202071	Factoriser	3x^2yz^3-9x^3y^2z^2+12x^2y^3z^2	$3 x^{2} y z^{3} - 9 x^{3} y^{2} z^{2} + 12 x^{2} y^{3} z^{2}$
202072	Resolva para x	3(x-4)+2x=4(x-3)+x	$3 (x - 4) + 2 x = 4 (x - 3) + x$
202073	Simplifier	((192x^12)/(3x^3))^(1/3)	${(\frac{192 x^{12}}{3 x^{3}})}^{\frac{1}{3}}$
202074	Simplifier l''expression avec une racine	racine sixième de 3^2	$\sqrt[6]{3^{2}}$
202075	Resolva a Inequação para b	4b<=-3	$4 b \leq - 3$
202076	Simplifier	(2^-2-5^-1)^-1	${(2^{- 2} - 5^{- 1})}^{- 1}$
202077	Écrire sous forme exponentielle	( racine cubique de x^2y^3z^4)^2	${(\sqrt[3]{x^{2} y^{3} z^{4}})}^{2}$
202078	Trouver le domaine de définition et l''ensemble d''arrivée	y=-(1/2)^(x+1)-3	$y = - {(\frac{1}{2})}^{x + 1} - 3$
202079	Simplifier	x/(4x+20)-(x+2)/(x+5)	$\frac{x}{4 x + 20} - \frac{x + 2}{x + 5}$
202080	Simplifier	(z/(z^-6))^(1/28)	${(\frac{z}{z^{- 6}})}^{\frac{1}{28}}$
202081	Resolva a Equação Racional para x	racine carrée de 28-6x=x-6	$\sqrt{28 - 6 x} = x - 6$
202082	Simplifier	13 racine carrée de 5a-b racine carrée de 5a+5a racine carrée de 13b	$13 \sqrt{5 a} - b \sqrt{5 a} + 5 a \sqrt{13 b}$
202083	Resolva para a	16536.94=1700.84(9.20)-1/2a*(9.20)^2	$16536.94 = 1700.84 (9.2) - \frac{1}{2} a \cdot {(9.2)}^{2}$
202084	Simplifier	28/(9x)-19/(9x)	$\frac{28}{9 x} - \frac{19}{9 x}$
202085	Évaluer	5((5^3)/(2/5))^2	$5 {(\frac{5^{3}}{\frac{2}{5}})}^{2}$
202086	Simplifier	(6x^7y^5)/(3x^-1)	$\frac{6 x^{7} y^{5}}{3 x^{- 1}}$
202087	Simplifier	(x^(1/3)y)^3 racine carrée de x^2y^2	${(x^{\frac{1}{3}} y)}^{3} \sqrt{x^{2} y^{2}}$
202088	Simplifier	racine carrée de racine cubique de 4x^2	$\sqrt{\sqrt[3]{4 x^{2}}}$
202089	Resolva o Sistema de Inequalities	10m-7<17m or -6m>36	$10 m - 7 < 17 m$ or $- 6 m > 36$
202090	Resolva para x	3 racine cubique de x=9	$3 \sqrt[3]{x} = 9$
202091	Simplifier	mn^2m^2n^-4mn^-1	$m n^{2} \cdot m^{2} n^{- 4} \cdot m n^{- 1}$
202092	Diviser	(16x^3y^6-24x^5y^5)/(-4x^4y^3)	$\frac{16 x^{3} y^{6} - 24 x^{5} y^{5}}{- 4 x^{4} y^{3}}$
202093	Simplifier l''expression avec une racine	(4x^6)^(3/2)	${(4 x^{6})}^{\frac{3}{2}}$
202094	Simplifier	(2-4i)/(i-1)	$\frac{2 - 4 i}{i - 1}$
202095	Simplifier	11/12+7/(4x)	$\frac{11}{12} + \frac{7}{4 x}$
202096	Simplifier	(a^2-3ab+2b^2)+(-4a^2+5ab-b^2)	$(a^{2} - 3 a b + 2 b^{2}) + (- 4 a^{2} + 5 a b - b^{2})$
202097	Simplifier	(x+(-2))(x+(-1))	$(x + (- 2)) (x + (- 1))$
202098	Resolva para y	racine carrée de y^2=2.3	$\sqrt{y^{2}} = 2.3$
202099	Resolva para x	csc(x)^2+csc(x)=2	$\csc^{2} (x) + \csc (x) = 2$
202100	Trouver les racines (zéros)	6- racine carrée de x-2=x+4	$6 - \sqrt{x - 2} = x + 4$