Mathway | Problèmes fréquents

Problèmes fréquents

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Rang	Matière	Problème	Problème de formatage
74601	Resolva para x	logarithme népérien de x- logarithme népérien de 3=4	$\ln (x) - \ln (3) = 4$
74602	Resolva para x	logarithme népérien de x=3.1	$\ln (x) = 3.1$
74603	Multiplier les matrices	[[1,-2],[3,0]][[0,-2,3],[1,-1,4]]	$[\begin{array}{c} 1 & - 2 \\ 3 & 0 \end{array}] [\begin{array}{c} 0 & - 2 & 3 \\ 1 & - 1 & 4 \end{array}]$
74604	Resolva para x	logarithme népérien de x=3- logarithme népérien de x+2	$\ln (x) = 3 - \ln (x + 2)$
74605	Resolva para x	logarithme népérien de (x-1)/2=4	$\ln (\frac{x - 1}{2}) = 4$
74606	Multiplier les matrices	[[1,2],[3,7]][[1],[5]]	$[\begin{array}{c} 1 & 2 \\ 3 & 7 \end{array}] [\begin{array}{c} 1 \\ 5 \end{array}]$
74607	Resolva para x	logarithme népérien de 1-x+ = logarithme népérien de 3-x logarithme népérien de 8	$\ln (1 - x) + \ln (3 - x) = \ln (8)$
74608	Resolva para x	logarithme népérien de 3x+4=5	$\ln (3 x + 4) = 5$
74609	Multiplier les matrices	[[1,3,1],[-2,1,0]]*[[2,-2],[3,5],[4,1]]	$[\begin{array}{c} 1 & 3 & 1 \\ - 2 & 1 & 0 \end{array}] \cdot [\begin{array}{c} 2 & - 2 \\ 3 & 5 \\ 4 & 1 \end{array}]$
74610	Resolva para x	logarithme népérien de 4x+1- logarithme népérien de 3=5	$\ln (4 x + 1) - \ln (3) = 5$
74611	Resolva para x	logarithme népérien de 4=x	$\ln (4) = x$
74612	Resolva para x	A=Bxt+C	$A = B x t + C$
74613	Resolva para x	ax-c=b	$a x - c = b$
74614	Resolva para x	9x=0	$9 x = 0$
74615	Resolva para x	9x-4y=36	$9 x - 4 y = 36$
74616	Resolva para x	9x-4(x-2)=x+20	$9 x - 4 (x - 2) = x + 20$
74617	Multiplier les matrices	[[1,8],[0,7]][[7,6],[7,4]]=	$[\begin{array}{c} 1 & 8 \\ 0 & 7 \end{array}] [\begin{array}{c} 7 & 6 \\ 7 & 4 \end{array}] =$
74618	Resolva para x	9x-4=2x+3	$9 x - 4 = 2 x + 3$
74619	Multiplier les matrices	[[-1,9],[-10,0],[3,3]][[3,7,4],[-9,2,3]]	$[\begin{array}{c} - 1 & 9 \\ - 10 & 0 \\ 3 & 3 \end{array}] [\begin{array}{c} 3 & 7 & 4 \\ - 9 & 2 & 3 \end{array}]$
74620	Simplifier	racine carrée de -245	$\sqrt{- 245}$
74621	Resolva para x	9(x-9)=-11	$9 (x - 9) = - 11$
74622	Multiplier les matrices	[[12,-11],[-13,12]][[12,11],[13,12]]	$[\begin{array}{c} 12 & - 11 \\ - 13 & 12 \end{array}] [\begin{array}{c} 12 & 11 \\ 13 & 12 \end{array}]$
74623	Resolva para x	-9(-5-3x)=21	$- 9 (- 5 - 3 x) = 21$
74624	Resolva para x	8x-2=3x+12.25	$8 x - 2 = 3 x + 12.25$
74625	Multiplier les matrices	[[13,20,0,19,3,15],[1,8,9,0,15,12]][[1,2],[1,3]]	$[\begin{array}{c} 13 & 20 & 0 & 19 & 3 & 15 \\ 1 & 8 & 9 & 0 & 15 & 12 \end{array}] [\begin{array}{c} 1 & 2 \\ 1 & 3 \end{array}]$
74626	Resolva para x	5x^2+3=-122	$5 x^{2} + 3 = - 122$
74627	Simplifier	5 racine carrée de 18	$5 \sqrt{18}$
74628	Resolva para x	5(x+1)=4-2(5x+5)	$5 (x + 1) = 4 - 2 (5 x + 5)$
74629	Resolva para x	5(x+1)=7-2(5x+8)	$5 (x + 1) = 7 - 2 (5 x + 8)$
74630	Resolva para x	4x-y=-4	$4 x - y = - 4$
74631	Multiplier les matrices	[[-2,-3,5]]*[[1,7],[-10,2],[1,-5]]	$[\begin{array}{c} - 2 & - 3 & 5 \end{array}] \cdot [\begin{array}{c} 1 & 7 \\ - 10 & 2 \\ 1 & - 5 \end{array}]$
74632	Resolva para x	4x-5y=5	$4 x - 5 y = 5$
74633	Multiplier les matrices	[[-2,3],[4,2]][[-2,0],[-1,2]]	$[\begin{array}{c} - 2 & 3 \\ 4 & 2 \end{array}] [\begin{array}{c} - 2 & 0 \\ - 1 & 2 \end{array}]$
74634	Resolva para x	4x-5y=0	$4 x - 5 y = 0$
74635	Resolva para x	4x=-8	$4 x = - 8$
74636	Multiplier les matrices	[[2,4],[7,3]][[3,6],[5,2]]	$[\begin{array}{c} 2 & 4 \\ 7 & 3 \end{array}] [\begin{array}{c} 3 & 6 \\ 5 & 2 \end{array}]$
74637	Resolva para x	4x-3=2x+5	$4 x - 3 = 2 x + 5$
74638	Multiplier les matrices	[[2],[3],[4],[5]]*[[2,3,4,5]]	$[\begin{array}{c} 2 \\ 3 \\ 4 \\ 5 \end{array}] \cdot [\begin{array}{c} 2 & 3 & 4 & 5 \end{array}]$
74639	Resolva para x	4x-2=3x+4	$4 x - 2 = 3 x + 4$
74640	Resolva para x	5x^2-10x=0	$5 x^{2} - 10 x = 0$
74641	Resolva para x	5x^2-7x-2=0	$5 x^{2} - 7 x - 2 = 0$
74642	Multiplier les matrices	[[3,1,4],[-1,2,3],[-3,0,-2],[4,-3,0]][[5,3,-3],[4,-11,2],[2,4,1]]	$[\begin{array}{c} 3 & 1 & 4 \\ - 1 & 2 & 3 \\ - 3 & 0 & - 2 \\ 4 & - 3 & 0 \end{array}] [\begin{array}{c} 5 & 3 & - 3 \\ 4 & - 11 & 2 \\ 2 & 4 & 1 \end{array}]$
74643	Resolva para x	5x+3=18	$5 x + 3 = 18$
74644	Resolva para x	5x+6=2x+15	$5 x + 6 = 2 x + 15$
74645	Resolva para x	5x+2=4x-9	$5 x + 2 = 4 x - 9$
74646	Resolva para x	5 logarithme de x-2=11	$5 \log (x - 2) = 11$
74647	Multiplier les matrices	[[3,4,5,6]][[2],[3],[4],[5]]	$[\begin{array}{c} 3 & 4 & 5 & 6 \end{array}] [\begin{array}{c} 2 \\ 3 \\ 4 \\ 5 \end{array}]$
74648	Resolva para x	-3(2x-5)<5(2-x)	$- 3 (2 x - 5) < 5 (2 - x)$
74649	Resolva para x	-67=6x-1	$- 67 = 6 x - 1$
74650	Multiplier les matrices	[[-3,4,7]][[1,2,3]]	$[\begin{array}{c} - 3 & 4 & 7 \end{array}] [\begin{array}{c} 1 & 2 & 3 \end{array}]$
74651	Multiplier les matrices	[[3,5,2],[-1,8,5]][[7,3,-2],[5,4,3]]	$[\begin{array}{c} 3 & 5 & 2 \\ - 1 & 8 & 5 \end{array}] [\begin{array}{c} 7 & 3 & - 2 \\ 5 & 4 & 3 \end{array}]$
74652	Resolva para x	-6x+3=21	$- 6 x + 3 = 21$
74653	Resolva para x	6x=42	$6 x = 42$
74654	Resolva para x	6x+7=8x-13	$6 x + 7 = 8 x - 13$
74655	Resolva para x	6x-2y=18	$6 x - 2 y = 18$
74656	Multiplier les matrices	[[4,0],[-3,-2]]*[[0,1],[-1,2]]	$[\begin{array}{c} 4 & 0 \\ - 3 & - 2 \end{array}] \cdot [\begin{array}{c} 0 & 1 \\ - 1 & 2 \end{array}]$
74657	Resolva para x	5x+y=6	$5 x + y = 6$
74658	Multiplier les matrices	[[4,8],[2,7]][[3],[1]]	$[\begin{array}{c} 4 & 8 \\ 2 & 7 \end{array}] [\begin{array}{c} 3 \\ 1 \end{array}]$
74659	Resolva para x	5x=y	$5 x = y$
74660	Resolva para x	5-x-2=3+4x+5	$5 - x - 2 = 3 + 4 x + 5$
74661	Resolva para x	5x-3=2x+9	$5 x - 3 = 2 x + 9$
74662	Resolva para x	5x-2y=20	$5 x - 2 y = 20$
74663	Resolva para x	5x-2y=-10	$5 x - 2 y = - 10$
74664	Resolva para x	5x-y=6	$5 x - y = 6$
74665	Resolva para x	6-e^(12x)=5.2	$6 - e^{12 x} = 5.2$
74666	Multiplier les matrices	[[5,6,0]][[2],[-1]]	$[\begin{array}{c} 5 & 6 & 0 \end{array}] [\begin{array}{c} 2 \\ - 1 \end{array}]$
74667	Simplifier	(7x-9)(7x+9)	$(7 x - 9) (7 x + 9)$
74668	Simplifier	8u^3+2u^2+7+(3u^3-7u+8)	$8 u^{3} + 2 u^{2} + 7 + (3 u^{3} - 7 u + 8)$
74669	Simplifier	(7x-1)(7x+1)	$(7 x - 1) (7 x + 1)$
74670	Simplifier	(7x+4y)(7x-4y)	$(7 x + 4 y) (7 x - 4 y)$
74671	Simplifier	(7x+2y)(7x-2y)	$(7 x + 2 y) (7 x - 2 y)$
74672	Simplifier	(7-9i)-(-1+3i)	$(7 - 9 i) - (- 1 + 3 i)$
74673	Simplifier	(7-2i)-(3+9i)	$(7 - 2 i) - (3 + 9 i)$
74674	Simplifier	(7+i)(7-i)	$(7 + i) (7 - i)$
74675	Simplifier	(6x-1)(6x+1)	$(6 x - 1) (6 x + 1)$
74676	Simplifier	(6x+1)(6x+1)	$(6 x + 1) (6 x + 1)$
74677	Simplifier	(-7x^2)(x^4)	$(- 7 x^{2}) (x^{4})$
74678	Simplifier	-7x^5+14-2x+(10x^4+7x+5x^5)	$- 7 x^{5} + 14 - 2 x + (10 x^{4} + 7 x + 5 x^{5})$
74679	Simplifier	(9-4i)(2+9i)	$(9 - 4 i) (2 + 9 i)$
74680	Simplifier	(9+6i)(4+5i)	$(9 + 6 i) (4 + 5 i)$
74681	Simplifier	(8-2i)(5+i)	$(8 - 2 i) (5 + i)$
74682	Simplifier	(a-8)(a-9)	$(a - 8) (a - 9)$
74683	Simplifier	(b-3)(b-9)	$(b - 3) (b - 9)$
74684	Simplifier	(a+6)(a-3)	$(a + 6) (a - 3)$
74685	Simplifier	(a-6)(a+6)	$(a - 6) (a + 6)$
74686	Simplifier	(9x+4y)(9x-4y)	$(9 x + 4 y) (9 x - 4 y)$
74687	Simplifier	(p+q)(4p^2-p-8q^2-q)	$(p + q) (4 p^{2} - p - 8 q^{2} - q)$
74688	Simplifier	(v-1)(3v-3)	$(v - 1) (3 v - 3)$
74689	Encontre os Outros Valores Trigonométricos no Quadrante II	cos(2/5)	$\cos (\frac{2}{5})$
74690	Simplifier	(t+3)(t^2+4t+7)	$(t + 3) (t^{2} + 4 t + 7)$
74691	Simplifier	(n+8)(6n^2-n-4)	$(n + 8) (6 n^{2} - n - 4)$
74692	Simplifier	(n-5)(3n-4)	$(n - 5) (3 n - 4)$
74693	Encontre os Outros Valores Trigonométricos no Quadrante II	cos(1/2)	$\cos (\frac{1}{2})$
74694	Simplifier	(k-3)(k+3)	$(k - 3) (k + 3)$
74695	Encontre os Outros Valores Trigonométricos no Quadrante II	cos(21/29)	$\cos (\frac{21}{29})$
74696	Simplifier	8(c+10)+20	$8 (c + 10) + 20$
74697	Simplifier	(w-6)(w+6)	$(w - 6) (w + 6)$
74698	Encontre os Outros Valores Trigonométricos no Quadrante II	cos(t)=-11/61	$\cos (t) = - \frac{11}{61}$
74699	Simplifier	(x^3-6x^2+9x)/(x^3-3x^2)	$\frac{x^{3} - 6 x^{2} + 9 x}{x^{3} - 3 x^{2}}$
74700	Encontre os Outros Valores Trigonométricos no Quadrante II	cos(t)=-60/61	$\cos (t) = - \frac{60}{61}$