Mathway | Problèmes fréquents

Problèmes fréquents

Rang	Matière	Problème	Problème de formatage
192301	Resolva para x	y=(7+x)m	$y = (7 + x) m$
192302	Resolva para z	23z+19=3(5z-9)+8z+46	$23 z + 19 = 3 (5 z - 9) + 8 z + 46$
192303	Resolva para x	y=x/4	$y = \frac{x}{4}$
192304	Simplifier	(x-1)/(x+2-(x^2+2)/(x-(x-2)/(x+1)))	$\frac{x - 1}{x + 2 - \frac{x^{2} + 2}{x - \frac{x - 2}{x + 1}}}$
192305	Simplifier	(-16x^2y^7)/(12x^5y^3z^4)	$\frac{- 16 x^{2} y^{7}}{12 x^{5} y^{3} z^{4}}$
192306	Factoriser en regroupant	150m^2nz+20mn^2c-120m^2nc-25mn^2z	$150 m^{2} n z + 20 m n^{2} c - 120 m^{2} n c - 25 m n^{2} z$
192307	Resolva para x	7+x-(3+32÷8)=3	$7 + x - (3 + 32 \div 8) = 3$
192308	Multiplier	(-19/29)(11y)	$(- \frac{19}{29}) (11 y)$
192309	Simplifier l''expression avec une racine	3 racine carrée de 16	$3 \sqrt{16}$
192310	Trouver la valeur exacte	racine cubique de racine carrée de 64	$\sqrt[3]{\sqrt{64}}$
192311	Trouver la droite parallèle	(7,2) which is parallel to the line y=-3x-2	$(7, 2)$ which is parallel to the line $y = - 3 x - 2$
192312	Multiplier	62/32 1/2	$6 \cdot \frac{2}{3} \cdot 2 \frac{1}{2}$
192313	Simplifier	4/(x^2-7x)+1/(x^2-4x-21)	$\frac{4}{x^{2} - 7 x} + \frac{1}{x^{2} - 4 x - 21}$
192314	Resolva para x	-6-(2x+7)=-2(x+6)-1	$- 6 - (2 x + 7) = - 2 (x + 6) - 1$
192315	Resolva para p	6p-3p+7p+4=44	$6 p - 3 p + 7 p + 4 = 44$
192316	Encontre g(f(x))	f(x)=5x-2 and g(x)=3x^2-4	$f (x) = 5 x - 2$ and $g (x) = 3 x^{2} - 4$
192317	Multiplier	2 1/5*-4	$2 \frac{1}{5} \cdot - 4$
192318	Simplifier	(25x^6y^2)/(25x^6y)	$\frac{25 x^{6} y^{2}}{25 x^{6} y}$
192319	Évaluer	5^(1+2)+8-6	$5^{1 + 2} + 8 - 6$
192320	Resolva para a	(x^5)^(1/3) racine cubique de x^2=x^a	${(x^{5})}^{\frac{1}{3}} \sqrt[3]{x^{2}} = x^{a}$
192321	Resolva para x	4/x+12/(x^2)=5	$\frac{4}{x} + \frac{12}{x^{2}} = 5$
192322	Tracer	x+3y<=12 3x+y<=12 x>=0 y>=0	$x + 3 y \leq 12$ $3 x + y \leq 12$ $x \geq 0$ $y \geq 0$
192323	Resolva a Inequação para x	-2-x<1/2	$- 2 - x < \frac{1}{2}$
192324	Évaluer	(7)+(12)	$(7) + (12)$
192325	Resolva o Sistema de Equations	x+y-z=4 3x+2y+4z=17 -x+5y+z=8	$x + y - z = 4$ $3 x + 2 y + 4 z = 17$ $- x + 5 y + z = 8$
192326	Factoriser	2x^4+x^2-3	$2 x^{4} + x^{2} - 3$
192327	Simplifier	racine carrée de 4xy^3* racine carrée de 6y	$\sqrt{4 x y^{3}} \cdot \sqrt{6 y}$
192328	Resolva a Inequação para x	-1/(x-6)<2/(9-x)	$\frac{- 1}{x - 6} < \frac{2}{9 - x}$
192329	Évaluer	base logarithmique 6 de 3+ base logarithmique 6 de 8- base logarithmique 6 de 4	$\log_{6} (3) + \log_{6} (8) - \log_{6} (4)$
192330	Factoriser	x^2+zy+xy+zx	$x^{2} + z y + x y + z x$
192331	Évaluer	4+8÷39+(3^0)÷714	$4 + 8 \div 3 \times 9 + 3^{0} \div 7 \times 14$
192332	Resolva para x	(2x+9)/(4x)+(3x+1)/x=1/4	$\frac{2 x + 9}{4 x} + \frac{3 x + 1}{x} = \frac{1}{4}$
192333	Simplifier	((2p)/(3q^2r^3))^-3*((p^3r^2)/(q^4))^2	${(\frac{2 p}{3 q^{2} r^{3}})}^{- 3} \cdot {(\frac{p^{3} r^{2}}{q^{4}})}^{2}$
192334	Resolva a Inequação para x	x(2x+3)>=0	$x (2 x + 3) \geq 0$
192335	Soustraire	(4r^3+3r^4)-(r^4-5r^3)	$(4 r^{3} + 3 r^{4}) - (r^{4} - 5 r^{3})$
192336	Simplifier	(14x^3y^-4)(4x^-5y^4)	$(14 x^{3} y^{- 4}) (4 x^{- 5} y^{4})$
192337	Simplifier	i/(3-2i)+(2i)/(3+8i)	$\frac{i}{3 - 2 i} + \frac{2 i}{3 + 8 i}$
192338	Resolva para x	2x(x+1.5)=-1	$2 x (x + 1.5) = - 1$
192339	Resolva para v	h=vt-5t^2 ; for v	$h = v t - 5 t^{2}$ ; for $v$
192340	Resolva a Inequação para x	5<-9-x	$5 < - 9 - x$
192341	Tracer	y=-1/2tan(1/2x)	$y = - \frac{1}{2} \tan (\frac{1}{2} x)$
192342	Resolva a Inequação para x	(2x-5)^2-0.5x<(2x-1)(2x+1)-15	${(2 x - 5)}^{2} - 0.5 x < (2 x - 1) (2 x + 1) - 15$
192343	Combiner les termes similaires	(-5x^2-9x+6)+(6x^2+10)	$(- 5 x^{2} - 9 x + 6) + (6 x^{2} + 10)$
192344	Resolva o Sistema de Inequalities	2x-4>=2 or -4x+6>2	$2 x - 4 \geq 2$ or $- 4 x + 6 > 2$
192345	Resolva a Inequação para x	(x+12)/(x+2)>=3	$\frac{x + 12}{x + 2} \geq 3$
192346	Resolva para y	4/5y-1/2=2/4-3/10y	$\frac{4}{5} y - \frac{1}{2} = \frac{2}{4} - \frac{3}{10} y$
192347	Trouver le discriminant	5x^2-x=4x^2+2	$5 x^{2} - x = 4 x^{2} + 2$
192348	Évaluer	16+56÷(2^3)-17	$16 + 56 \div 2^{3} - 17$
192349	Écrire comme un unique logarithme	logarithme népérien de x+ logarithme népérien de 2	$\ln (x) + \ln (2)$
192350	Resolva para z	2.4z+1.2z-6.5=0.7	$2.4 z + 1.2 z - 6.5 = 0.7$
192351	Diviser	((y+3)/(y+1))÷((y^2+4y+3)/(-5-5y))	$\frac{y + 3}{y + 1} \div \frac{y^{2} + 4 y + 3}{- 5 - 5 y}$
192352	Trouver la valeur exacte	tan(-22.5 degrés )	$\tan (- 22.5 °)$
192353	Resolva para θ	cos(theta/2)=-1/2	$\cos (\frac{θ}{2}) = - \frac{1}{2}$
192354	Tracer	-6(1+7k)+7(1+6k)<=-2	$- 6 (1 + 7 k) + 7 (1 + 6 k) \leq - 2$
192355	Trouver toutes les solutions complexes	cos(4x)-1=0	$\cos (4 x) - 1 = 0$
192356	Trouver la valeur exacte	4*1/2	$4 \cdot \frac{1}{2}$
192357	Resolva para y	y-2/3x=-6	$y - \frac{2}{3} x = - 6$
192358	Simplifier	2(0)^2	$2 {(0)}^{2}$
192359	Combiner les termes similaires	(10x^2-x+1)-(9x-2)	$(10 x^{2} - x + 1) - (9 x - 2)$
192360	Factoriser	2x^4y-18x^2y^3	$2 x^{4} y - 18 x^{2} y^{3}$
192361	Resolva para x	(25/9)^(3x)=243/3125	${(\frac{25}{9})}^{3 x} = \frac{243}{3125}$
192362	Simplifier	(7b)/4-(3b)/4	$\frac{7 b}{4} - \frac{3 b}{4}$
192363	Trouver les points d''intersection avec les axes des abscisses et des ordonnées	f(x)=-8+x^4	$f (x) = - 8 + x^{4}$
192364	Factoriser	(m+n)^2+(m+n)+1/4	${(m + n)}^{2} + (m + n) + \frac{1}{4}$
192365	Resolva a Inequação para p	4(p-4)>12	$4 (p - 4) > 12$
192366	Tracer	y>=-\|x-5\|-3	$y \geq - \| x - 5 \| - 3$
192367	Diviser	( racine carrée de 6+ racine carrée de 11)/( racine carrée de 5+ racine carrée de 3)	$\frac{\sqrt{6} + \sqrt{11}}{\sqrt{5} + \sqrt{3}}$
192368	Simplifier	1/2(x-2)	$\frac{1}{2} (x - 2)$
192369	Resolva a Inequação para x	4x(x-2)<2(2x-1)(x-3)	$4 x (x - 2) < 2 (2 x - 1) (x - 3)$
192370	Évaluer la fonction	f(x) = square root of x+4 at x=5	$f (x) = \sqrt{x + 4}$ at $x = 5$
192371	Évaluer	(2pi)/1*2/pi	$\frac{2 π}{1} \cdot \frac{2}{π}$
192372	Trouver le comportement à l''infini	R(x)=-x^5+4x^3-9x	$R (x) = - x^{5} + 4 x^{3} - 9 x$
192373	Resolva para m	\|m-2\|<8	$\| m - 2 \| < 8$
192374	Résoudre en complétant le carré	x^2-18x+209=2x+11	$x^{2} - 18 x + 209 = 2 x + 11$
192375	Simplifier	(-5-5i)+(-1-8i)+9i	$(- 5 - 5 i) + (- 1 - 8 i) + 9 i$
192376	Resolva a Inequação para x	x^3-2x^2-3x>0	$x^{3} - 2 x^{2} - 3 x > 0$
192377	Multiplier	x^2-5x+2*3x^2+2x+3	$x^{2} - 5 x + 2 \cdot 3 x^{2} + 2 x + 3$
192378	Resolva para x	(2pi)/x=2pi	$\frac{2 π}{x} = 2 π$
192379	Tracer	-1/2x>=-8	$- \frac{1}{2} x \geq - 8$
192380	Resolva para x	2x=pi	$2 x = π$
192381	Factoriser	x-x^4	$x - x^{4}$
192382	Encontre f(g(x))	f(x) = square root of x and g(x)=x+7	$f (x) = \sqrt{x}$ and $g (x) = x + 7$
192383	Evaluer en utilisant la valeur donnée	3(x-1)+2 when x=5	$3 (x - 1) + 2$ when $x = 5$
192384	Resolva o Sistema de Equations	1/2x-1/3y=-12 -4/5x+7y=-1/5	$\frac{1}{2} x - \frac{1}{3} y = - 12$ $- \frac{4}{5} x + 7 y = - \frac{1}{5}$
192385	Trouver le domaine de définition et l''ensemble d''arrivée	1/(x^2-x)	$\frac{1}{x^{2} - x}$
192386	Diviser	(-x)/-1	$\frac{- x}{- 1}$
192387	Resolva para a	x racine cinquième de x^6=x^a	$x \sqrt[5]{x^{6}} = x^{a}$
192388	Simplifier	(2y)/(4x)	$\frac{2 y}{4 x}$
192389	Resolva para R₂	1/R=1/R_1+1/R_2+1/R_3	$\frac{1}{R} = \frac{1}{R_{1}} + \frac{1}{R_{2}} + \frac{1}{R_{3}}$
192390	Trouver toutes les solutions complexes	-2sin(x)^2=-3sin(x)+1	$- 2 \sin^{2} (x) = - 3 \sin (x) + 1$
192391	Simplifier	(x^2+x-2)/(x^3-x^2-x+1)	$\frac{x^{2} + x - 2}{x^{3} - x^{2} - x + 1}$
192392	Escreva com uma Função de x	25x^4-625y-500=0	$25 x^{4} - 625 y - 500 = 0$
192393	Resolva para θ	(cot(theta)-1)(csc(theta)+1)=0	$(\cot (θ) - 1) (\csc (θ) + 1) = 0$
192394	Resolva para x	-4(-x+5/2)=5(2x-2)+1/2	$- 4 (- x + \frac{5}{2}) = 5 (2 x - 2) + \frac{1}{2}$
192395	Écrire sous forme usuelle	f(x)=(x-3i)(x+3i)	$f (x) = (x - 3 i) (x + 3 i)$
192396	Resolva a Inequação para b	12/25-(3b)/10<1/2-b/5	$\frac{12}{25} - \frac{3 b}{10} < \frac{1}{2} - \frac{b}{5}$
192397	Trouver le PPCM	9x^2+24x+16 and 9x^2-16	$9 x^{2} + 24 x + 16$ and $9 x^{2} - 16$
192398	Resolva para x	(1/4096)^(-5x+3)=4096^(-5x+15)	${(\frac{1}{4096})}^{- 5 x + 3} = 4096^{- 5 x + 15}$
192399	Resolva para p	1=prt	$1 = p r t$
192400	Resolva para X	19=-9X-5+6X	$19 = - 9 X - 5 + 6 X$