Mathway | Problèmes fréquents

Problèmes fréquents

Rang	Matière	Problème	Problème de formatage
210301	Resolva para x	(x+7)/(x+6)-1/(6-x)=1/(x-6)	$\frac{x + 7}{x + 6} - \frac{1}{6 - x} = \frac{1}{x - 6}$
210302	Trouver toutes les solutions complexes	logarithme de x+2+ logarithme de x-2=1- logarithme de 2	$\log (x + 2) + \log (x - 2) = 1 - \log (2)$
210303	Simplifier	(5x^4y^3)^-2(2x^3y^5z^8)^4(y^7z^-3)	${(5 x^{4} y^{3})}^{- 2} {(2 x^{3} y^{5} z^{8})}^{4} (y^{7} z^{- 3})$
210304	Simplifier	(-4x)/(3-6x)+(5x-1)/(3-6x)	$\frac{- 4 x}{3 - 6 x} + \frac{5 x - 1}{3 - 6 x}$
210305	Simplifier	-10a^2+6a^3+3a+-6a^3-4a+8a^2	$- 10 a^{2} + 6 a^{3} + 3 a + - 6 a^{3} - 4 a + 8 a^{2}$
210306	Trouver les racines (zéros)	3cos(x+pi/6)	$3 \cos (x + \frac{π}{6})$
210307	Résoudre par addition/élimination	5x+y=19 2y=-5x+28	$5 x + y = 19$ $2 y = - 5 x + 28$
210308	Resolva para x	((5^x)^(1/3))/(5^(2/3))=5	$\frac{{(5^{x})}^{\frac{1}{3}}}{5^{\frac{2}{3}}} = 5$
210309	Factoriser	7z(2x-y)+2x-y	$7 z (2 x - y) + 2 x - y$
210310	Diviser	(6 racine carrée de 3)÷2	$6 \sqrt{3} \div 2$
210311	Simplifier	m/p-(m-p)/p	$\frac{m}{p} - \frac{m - p}{p}$
210312	Encontre h(f(x))	f(x)=(x^3)/27 and h(x)=27 racine cubique de x	$f (x) = \frac{x^{3}}{27}$ and $h (x) = 27 \sqrt[3]{x}$
210313	Trouver le produit	6xy(2x+y)	$6 x y (2 x + y)$
210314	Écrire la fraction sous forme irréductible	(1/64)^(1/6)	${(\frac{1}{64})}^{\frac{1}{6}}$
210315	Écrire la fraction sous forme irréductible	(10j^-3)/(-2(j^-3)^3)	$\frac{10 j^{- 3}}{- 2 {(j^{- 3})}^{3}}$
210316	Simplifier	(x^-1)/((xy)^3)	$\frac{x^{- 1}}{{(x y)}^{3}}$
210317	Trouver toutes les solutions complexes	3y^2+7y+3=-y^2	$3 y^{2} + 7 y + 3 = - y^{2}$
210318	Resolva a Inequação para x	-3/8x<=24	$- \frac{3}{8} x \leq 24$
210319	Trouver le PGCD	72a^3b-90a^2b^3+18a^4b^2	$72 a^{3} b - 90 a^{2} b^{3} + 18 a^{4} b^{2}$
210320	Trouver la valeur exacte	sec(60 degrés )cot(45 degrés )	$\sec (60 °) \cot (45 °)$
210321	Évaluer	20% of 90	$20 %$ of $90$
210322	Simplifier	racine carrée de 9w^5-w racine carrée de w^3	$\sqrt{9 w^{5}} - w \sqrt{w^{3}}$
210323	Simplifier	x(x^3*x^0)	$x (x^{3} \cdot x^{0})$
210324	Resolva para x	8x+13=7x+5x-11	$8 x + 13 = 7 x + 5 x - 11$
210325	Simplifier	17j^2-12k^2+3j^2-15j^2+14k^2	$17 j^{2} - 12 k^{2} + 3 j^{2} - 15 j^{2} + 14 k^{2}$
210326	Évaluer	20% of 10	$20 %$ of $10$
210327	Simplifier	(5^-1(-2)^-3)/(8^-2)	$\frac{5^{- 1} {(- 2)}^{- 3}}{8^{- 2}}$
210328	Simplifier	racine carrée de 2a+2 racine carrée de 8a^3+2a racine carrée de 1/2a	$\sqrt{2 a} + 2 \sqrt{8 a^{3}} + 2 a \sqrt{\frac{1}{2} a}$
210329	Resolva o Sistema de Inequalities	8-3x>5 and x-5>=10	$8 - 3 x > 5$ and $x - 5 \geq 10$
210330	Simplifier	7k^2(-2k)(4k^-5)^0	$7 k^{2} (- 2 k) {(4 k^{- 5})}^{0}$
210331	Tracer	g(x)=f(x)+1/3	$g (x) = f (x) + \frac{1}{3}$
210332	Resolva a Inequação para y	30<5(8-y)	$30 < 5 (8 - y)$
210333	Factoriser	24x^2-15=54x	$24 x^{2} - 15 = 54 x$
210334	Évaluer	4(3+1/4c-1/2d)	$4 (3 + \frac{1}{4} c - \frac{1}{2} d)$
210335	Resolva para x	racine carrée de x=1/4	$\sqrt{x} = \frac{1}{4}$
210336	Resolva para z	2/3z=4 1/4	$\frac{2}{3} z = 4 \frac{1}{4}$
210337	Écrire sous forme usuelle	(8x-x^3+4-9x^2)+(7x^3+9x^2-10-8x)	$(8 x - x^{3} + 4 - 9 x^{2}) + (7 x^{3} + 9 x^{2} - 10 - 8 x)$
210338	Simplifier	(6c^2d-14cd^2+2d^3)/2	$\frac{6 c^{2} d - 14 c d^{2} + 2 d^{3}}{2}$
210339	Simplifier	( racine carrée de 5+2)(4- racine carrée de 5)	$(\sqrt{5} + 2) (4 - \sqrt{5})$
210340	Simplifier	(1/p+2/3)/(1/p)	$\frac{\frac{1}{p} + \frac{2}{3}}{\frac{1}{p}}$
210341	Décrire la transformation	F(x)=2^x+3	$F (x) = 2^{x} + 3$
210342	Trouver la valeur exacte	racine cubique de 64^2	$\sqrt[3]{64^{2}}$
210343	Resolva para x	logarithme népérien de 5+ logarithme népérien de 2x=5	$\ln (5) + \ln (2 x) = 5$
210344	Multiplier	racine carrée de 3*2 racine carrée de 2	$\sqrt{3} \cdot 2 \sqrt{2}$
210345	Déterminer si c''est vrai	tan(theta)^2+1=sec(theta)^2	$\tan^{2} (θ) + 1 = \sec^{2} (θ)$
210346	Tracer	y=x^2 and y=x^2-3	$y = x^{2}$ and $y = x^{2} - 3$
210347	Resolva para p	1/2+p=-3	$\frac{1}{2} + p = - 3$
210348	Simplifier	((14w^12)/(7w^3))^-1	${(\frac{14 w^{12}}{7 w^{3}})}^{- 1}$
210349	Simplifier	(a-2b)/(3b)-(b-2a)/(3a)	$\frac{a - 2 b}{3 b} - \frac{b - 2 a}{3 a}$
210350	Tracer	x-y=-2 -x+y=2	$x - y = - 2$ $- x + y = 2$
210351	Tracer	y=3/5x+7 y=1/5x+5	$y = \frac{3}{5} x + 7$ $y = \frac{1}{5} x + 5$
210352	Simplifier	(5x^-2y^5)/(10x^4(y^-2)^4)	$\frac{5 x^{- 2} y^{5}}{10 x^{4} {(y^{- 2})}^{4}}$
210353	Écrire sous forme usuelle	(3x^2-10x+4)+(10x^2-5x+8)	$(3 x^{2} - 10 x + 4) + (10 x^{2} - 5 x + 8)$
210354	Resolva o Sistema de Equations	2x-y=4 y-x=4	$2 x - y = 4$ $y - x = 4$
210355	Resolva a Equação Racional para x	5x = square root of 10+15x	$5 x = \sqrt{10 + 15 x}$
210356	Simplifier	(x^2-2x-8)/(9x)*(3x^3)/(x^2-4x)	$\frac{x^{2} - 2 x - 8}{9 x} \cdot \frac{3 x^{3}}{x^{2} - 4 x}$
210357	Simplifier	(3x^3)^3(x^5)^4	${(3 x^{3})}^{3} {(x^{5})}^{4}$
210358	Resolva a Inequação para x	3x^2+166<45x+4	$3 x^{2} + 166 < 45 x + 4$
210359	Simplifier	(4 racine carrée de 5-1)(3+2 racine carrée de 5)	$(4 \sqrt{5} - 1) (3 + 2 \sqrt{5})$
210360	Évaluer la fonction	g(2y)=x^2	$g (2 y) = x^{2}$
210361	Simplifier	base logarithmique 3 de 5* base logarithmique 2 de 3* base logarithmique 5 de 16	$\log_{3} (5) \cdot \log_{2} (3) \cdot \log_{5} (16)$
210362	Factoriser	f(x)=7x^4-56x	$f (x) = 7 x^{4} - 56 x$
210363	Évaluer	(cos(50 degrés ))/(sin(50 degrés ))	$\frac{\cos (50 °)}{\sin (50 °)}$
210364	Simplifier	(4x racine cubique de 6)/(5 racine cubique de 9x)	$\frac{4 x \sqrt[3]{6}}{5 \sqrt[3]{9 x}}$
210365	Resolva para y	base logarithmique 3 de (1+y)^2=2	$\log_{3} ({(1 + y)}^{2}) = 2$
210366	Évaluer	racine carrée de x=x-2	$\sqrt{x} = x - 2$
210367	Resolva para x	(x^2-25)/((x+2)(x-2))=0	$\frac{x^{2} - 25}{(x + 2) (x - 2)} = 0$
210368	Simplifier	3/(8x)+1/4	$\frac{3}{8 x} + \frac{1}{4}$
210369	Simplifier	1/((48x^3y^4)^-2)	$\frac{1}{{(48 x^{3} y^{4})}^{- 2}}$
210370	Resolva para x	2/x=x/(4x-6)	$\frac{2}{x} = \frac{x}{4 x - 6}$
210371	Trouver la valeur exacte	logarithme de 2+ logarithme de 5	$\log (2) + \log (5)$
210372	Factoriser	(7x-6)^2+x5(7x-6)7	${(7 x - 6)}^{2} + x \cdot 5 (7 x - 6) \cdot 7$
210373	Resolva para s	2s+3=20-1	$2 s + 3 = 20 - 1$
210374	Resolva para f	f-5 = square root of f-3	$f - 5 = \sqrt{f - 3}$
210375	Resolva a Inequação para x	5 1/2>=1.6x	$5 \frac{1}{2} \geq 1.6 x$
210376	Resolva para x	tan(3x)(tan(x)-1)=0	$\tan (3 x) (\tan (x) - 1) = 0$
210377	Resolva para X	\|X\|-7=6	$\| X \| - 7 = 6$
210378	Resolva a Inequação para d	23+d>35	$23 + d > 35$
210379	Resolva o Sistema de Equations	x^2+2y=30 2x+y=15	$x^{2} + 2 y = 30$ $2 x + y = 15$
210380	Simplifier	-2ab(5b^2c)^3	$- 2 a b {(5 b^{2} c)}^{3}$
210381	Simplifier	2/5cd^2-1/3cd^2	$\frac{2}{5} c d^{2} - \frac{1}{3} c d^{2}$
210382	Multiplier	5xy(6x-y)	$5 x y (6 x - y)$
210383	Resolva para m	5 racine carrée de m-1=40	$5 \sqrt{m - 1} = 40$
210384	Simplifier	(ma-mb)/(3n^2)*(2m)/(nb-na)	$\frac{m a - m b}{3 n^{2}} \cdot \frac{2 m}{n b - n a}$
210385	Resolva para x	9 racine cubique de (x-7)^4=9	$9 \sqrt[3]{{(x - 7)}^{4}} = 9$
210386	Trouver le produit	-4x(2x^2-3x+5)	$- 4 x (2 x^{2} - 3 x + 5)$
210387	Simplifier	(2x)/(x^2+6x+9)(4x^3-24x^2-108x)/(x-9)(x^3+9x^2+18x)/(x+6)	$\frac{2 x}{x^{2} + 6 x + 9} \cdot \frac{4 x^{3} - 24 x^{2} - 108 x}{x - 9} \cdot \frac{x^{3} + 9 x^{2} + 18 x}{x + 6}$
210388	Trouver les racines (zéros)	f(x)=-x(x+2)(x-2)(x+1)	$f (x) = - x (x + 2) (x - 2) (x + 1)$
210389	Resolva para a	81^(a+2)=3^(3a+1)	$81^{a + 2} = 3^{3 a + 1}$
210390	Simplifier	racine quatrième de (3a^2)/(8b^7)	$\sqrt[4]{\frac{3 a^{2}}{8 b^{7}}}$
210391	Resolva para m	(m+3)(m-4)=-6	$(m + 3) (m - 4) = - 6$
210392	Resolva para x	5 racine carrée de x+2>17	$5 \sqrt{x} + 2 > 17$
210393	Simplifier	(6a^2-5a)+(a-5a+3a^3)	$(6 a^{2} - 5 a) + (a - 5 a + 3 a^{3})$
210394	Resolva a Inequação para r	r/-2<-6	$\frac{r}{- 2} < - 6$
210395	Resolva para x	racine carrée de x+7- racine carrée de 8x=-1	$\sqrt{x + 7} - \sqrt{8 x} = - 1$
210396	Resolva para x	x+3+2x=-1+3x+4	$x + 3 + 2 x = - 1 + 3 x + 4$
210397	Tracer	f(x)<-2 racine carrée de x+3	$f (x) < - 2 \sqrt{x + 3}$
210398	Simplifier	(xy+3x-2y-6)/(y^2+y-6)	$\frac{x y + 3 x - 2 y - 6}{y^{2} + y - 6}$
210399	Resolva para z	(9z+5)^2=0	${(9 z + 5)}^{2} = 0$
210400	Resolva para c	6.95-8c=24.95	$6.95 - 8 c = 24.95$