Mathway | Problèmes fréquents

Problèmes fréquents

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Rang	Matière	Problème	Problème de formatage
54701	Resolva para x	3(x+3)^(3/4)=81	$3 {(x + 3)}^{\frac{3}{4}} = 81$
54702	Résoudre graphiquement	y=1/2x y=2x-6	$y = \frac{1}{2} x$ $y = 2 x - 6$
54703	Resolva para x	racine carrée de 5x+4=4+ racine carrée de x+4	$\sqrt{5 x + 4} = 4 + \sqrt{x + 4}$
54704	Resolva para x	8^(x-1)=(1/2)^(2x-1)	$8^{x - 1} = {(\frac{1}{2})}^{2 x - 1}$
54705	Resolva para x	81^(3x-3)=729^(x+4)	$81^{3 x - 3} = 729^{x + 4}$
54706	Resolva para x	81^(3x-6)=729^(x+3)	$81^{3 x - 6} = 729^{x + 3}$
54707	Resolva para x	e^(5x+2)=e^(3x+12)	$e^{5 x + 2} = e^{3 x + 12}$
54708	Resolva para x	e^x+e^(-x)=4	$e^{x} + e^{- x} = 4$
54709	Resolva para x	e^(4x)=2	$e^{4 x} = 2$
54710	Resolva para x	e^(4x)+4e^(2x)-21=0	$e^{4 x} + 4 e^{2 x} - 21 = 0$
54711	Résoudre graphiquement	y=-1/2x+5 y=1/2x+6	$y = - \frac{1}{2} x + 5$ $y = \frac{1}{2} x + 6$
54712	Simplifier	( racine carrée de 75a+ racine carrée de 12a- racine carrée de 27a)/( racine carrée de 3a)	$\frac{\sqrt{75 a} + \sqrt{12 a} - \sqrt{27 a}}{\sqrt{3 a}}$
54713	Resolva para x	e^(2x)-7e^x+12=0	$e^{2 x} - 7 e^{x} + 12 = 0$
54714	Resolva para x	e^(2x)=10	$e^{2 x} = 10$
54715	Resolva para x	e^(x^2)=e^(3x)*1/(e^2)	$e^{x^{2}} = e^{3 x} \cdot \frac{1}{e^{2}}$
54716	Resolva para x	base logarithmique 3 de x=-1	$\log_{3} (x) = - 1$
54717	Resolva para x	base logarithmique 25 de x=5/2	$\log_{25} (x) = \frac{5}{2}$
54718	Resolva para x	base logarithmique 3 de 1/9=x	$\log_{3} (\frac{1}{9}) = x$
54719	Résoudre graphiquement	y=-1/3x y=-1/3x-5	$y = - \frac{1}{3} x$ $y = - \frac{1}{3} x - 5$
54720	Resolva para x	e^(x+3)=1/e	$e^{x + 3} = \frac{1}{e}$
54721	Resolva para x	base logarithmique x de 169=2	$\log_{x} (169) = 2$
54722	Resolva para x	base logarithmique 4 de 8x=3	$\log_{4} (8 x) = 3$
54723	Resolva para x	base logarithmique 49 de 1/7=x	$\log_{49} (\frac{1}{7}) = x$
54724	Resolva para x	base logarithmique 5 de x- base logarithmique 5 de x-2=3	$\log_{5} (x) - \log_{5} (x - 2) = 3$
54725	Resolva para x	base logarithmique 6 de x=4	$\log_{6} (x) = 4$
54726	Résoudre graphiquement	y=1/(x-3) y=3-x^3	$y = \frac{1}{x - 3}$ $y = 3 - x^{3}$
54727	Resolva para x	base logarithmique 5 de x-7=1- base logarithmique 5 de x-3	$\log_{5} (x - 7) = 1 - \log_{5} (x - 3)$
54728	Resolva para x	base logarithmique 9 de x^2-8x=1	$\log_{9} (x^{2} - 8 x) = 1$
54729	Résoudre graphiquement	y=2/3x-5 4x-6y=30	$y = \frac{2}{3} x - 5$ $4 x - 6 y = 30$
54730	Resolva para x	base logarithmique x de 1/16=-4	$\log_{x} (\frac{1}{16}) = - 4$
54731	Resolva para x	5^(x-2)=3^(2x)	$5^{x - 2} = 3^{2 x}$
54732	Resolva para x	5^(3x)=25	$5^{3 x} = 25$
54733	Resolva para x	5^(3x-1)=25	$5^{3 x - 1} = 25$
54734	Resolva para x	6^x=46656	$6^{x} = 46656$
54735	Résoudre graphiquement	y=\|x^2-3x+1\| , y=x-1	$y = \| x^{2} - 3 x + 1 \|$ , $y = x - 1$
54736	Resolva para x	7^(6x)=12	$7^{6 x} = 12$
54737	Resolva para x	7/9x+7=8x+4/9	$\frac{7}{9} x + 7 = 8 x + \frac{4}{9}$
54738	Résoudre graphiquement	y=2x y=x^2-3	$y = 2 x$ $y = x^{2} - 3$
54739	Resolva para x	7^(x+2)=410	$7^{x + 2} = 410$
54740	Resolva para x	3^(x+2)=27	$3^{x + 2} = 27$
54741	Resolva para x	3^(x-5)=27	$3^{x - 5} = 27$
54742	Résoudre graphiquement	y=2x+1 y=-3x-1	$y = 2 x + 1$ $y = - 3 x - 1$
54743	Resolva para x	3^x=13	$3^{x} = 13$
54744	Resolva para x	3^(1+2x)=243	$3^{1 + 2 x} = 243$
54745	Resolva para x	3/(x-2)=12/(x^2-4)	$\frac{3}{x - 2} = \frac{12}{x^{2} - 4}$
54746	Resolva para x	3^(2x)+3^x-2=0	$3^{2 x} + 3^{x} - 2 = 0$
54747	Résoudre graphiquement	y=2x+8 5x+y=-6	$y = 2 x + 8$ $5 x + y = - 6$
54748	Resolva para x	3^(2x-1)=3^(x+2)	$3^{2 x - 1} = 3^{x + 2}$
54749	Resolva para x	(3x)/5=(2x)/3+1	$\frac{3 x}{5} = \frac{2 x}{3} + 1$
54750	Résoudre graphiquement	y=2x-1 y=2x+6	$y = 2 x - 1$ $y = 2 x + 6$
54751	Resolva para x	-4/9*(2x-4)=48	$- \frac{4}{9} \cdot (2 x - 4) = 48$
54752	Resolva para x	4^(7+3x)=1/16	$4^{7 + 3 x} = \frac{1}{16}$
54753	Résoudre graphiquement	y=2x-4 y=-x+5	$y = 2 x - 4$ $y = - x + 5$
54754	Résoudre graphiquement	y=-2x-5 y=x-2	$y = - 2 x - 5$ $y = x - 2$
54755	Écrire sous forme usuelle	(7+3i)/(2-5i)	$\frac{7 + 3 i}{2 - 5 i}$
54756	Resolva para x	x^3=-27	$x^{3} = - 27$
54757	Écrire en notation scientifique	25.4	$25.4$
54758	Multiplier	(x^2+6x+9)(3x-1)	$(x^{2} + 6 x + 9) (3 x - 1)$
54759	Resolva para x	x^2-2x=15	$x^{2} - 2 x = 15$
54760	Resolva para x	(x-4)/(y+2)=5	$\frac{x - 4}{y + 2} = 5$
54761	Resolva para x	0.5(5-7x)=8-(4x+6)	$0.5 (5 - 7 x) = 8 - (4 x + 6)$
54762	Resolva para x	x/2-3(x-1)=5x-7	$\frac{x}{2} - 3 (x - 1) = 5 x - 7$
54763	Resolva para x	x/3=8	$\frac{x}{3} = 8$
54764	Resolva para x	x/3-1/2=3/4	$\frac{x}{3} - \frac{1}{2} = \frac{3}{4}$
54765	Résoudre graphiquement	y=-9x^2 , y=1/3x^2 , y=-1/2x^2	$y = - 9 x^{2}$ , $y = \frac{1}{3} x^{2}$ , $y = - \frac{1}{2} x^{2}$
54766	Resolva para x	x/4=9	$\frac{x}{4} = 9$
54767	Résoudre graphiquement	y=f(x-2)	$y = f (x - 2)$
54768	Résoudre graphiquement	y=f(x-4)	$y = f (x - 4)$
54769	Simplifier	(3x)/(x^2+2x+1)+2/(x^2-4x-5)	$\frac{3 x}{x^{2} + 2 x + 1} + \frac{2}{x^{2} - 4 x - 5}$
54770	Resolva para x	x^(1/3)=4	$x^{\frac{1}{3}} = 4$
54771	Résoudre graphiquement	y=-x^2+2 y=x-4	$y = - x^{2} + 2$ $y = x - 4$
54772	Resolva para x	x/6=10	$\frac{x}{6} = 10$
54773	Resolva para x	x/7-1=x/9+5	$\frac{x}{7} - 1 = \frac{x}{9} + 5$
54774	Resolva para x	x/8-1/2=6	$\frac{x}{8} - \frac{1}{2} = 6$
54775	Simplifier	(2/x-4/y)/(-5/y+3/x)	$\frac{\frac{2}{x} - \frac{4}{y}}{\frac{- 5}{y} + \frac{3}{x}}$
54776	Évaluer	logarithme de 4/3	$\log (\frac{4}{3})$
54777	Resolva para x	x^2+6x-1=0	$x^{2} + 6 x - 1 = 0$
54778	Résoudre graphiquement	y=-x+2 y=x^2-6x+8	$y = - x + 2$ $y = x^{2} - 6 x + 8$
54779	Résoudre en utilisant la formule quadratique	x^2+4x+4=12	$x^{2} + 4 x + 4 = 12$
54780	Résoudre graphiquement	y=-x+2 , y=-3x-6	$y = - x + 2$ , $y = - 3 x - 6$
54781	Resolva para x	-2(3x-4)=2x	$- 2 (3 x - 4) = 2 x$
54782	Resolva para x	2(5^x)-1=15	$2 (5^{x}) - 1 = 15$
54783	Résoudre graphiquement	y=x+4 y=-x-6	$y = x + 4$ $y = - x - 6$
54784	Resolva para x	-2(x+3)=4x-3	$- 2 (x + 3) = 4 x - 3$
54785	Resolva para x	0=4+x/5	$0 = 4 + \frac{x}{5}$
54786	Résoudre graphiquement	y=x-1 y=2x+1	$y = x - 1$ $y = 2 x + 1$
54787	Resolva para x	11=3x-7	$11 = 3 x - 7$
54788	Résoudre graphiquement	y=x-1 y=2x+3	$y = x - 1$ $y = 2 x + 3$
54789	Resolva para x	6x^2+9x+1=0	$6 x^{2} + 9 x + 1 = 0$
54790	Resolva para x	6x^2+3x-1=0	$6 x^{2} + 3 x - 1 = 0$
54791	Resolva para x	6+2 logarithme népérien de x=5	$6 + 2 \ln (x) = 5$
54792	Resolva para x	5x-5=30	$5 x - 5 = 30$
54793	Resolva para x	-5x=0	$- 5 x = 0$
54794	Resolva para x	6 logarithme népérien de 2x=30	$6 \ln (2 x) = 30$
54795	Résoudre graphiquement	y=x-2 y=x^2-6x+8	$y = x - 2$ $y = x^{2} - 6 x + 8$
54796	Résoudre graphiquement	y=x-2 , -x+y=-5	$y = x - 2$ , $- x + y = - 5$
54797	Resolva para x	5x^2=35	$5 x^{2} = 35$
54798	Resolva para x	4x=y	$4 x = y$
54799	Resolva para x	-4x=-20	$- 4 x = - 20$
54800	Resolva para x	4x-1=0	$4 x - 1 = 0$