Mathway | Problèmes fréquents

Problèmes fréquents

Rang	Matière	Problème	Problème de formatage
100801	Encontre v(u(x))	u(x)=-2x^2+3 v(x)=1/x	$u (x) = - 2 x^{2} + 3$ $v (x) = \frac{1}{x}$
100802	Factoriser	4x^2-14x-30	$4 x^{2} - 14 x - 30$
100803	Encontre m(p(x))	p(x)=1/( racine carrée de x) , m(x)=x^2-16	$p (x) = \frac{1}{\sqrt{x}}$ , $m (x) = x^{2} - 16$
100804	Factoriser	4x^2-13x-35	$4 x^{2} - 13 x - 35$
100805	Factoriser	4x^2-10	$4 x^{2} - 10$
100806	Factoriser	4x^2+0x-25	$4 x^{2} + 0 x - 25$
100807	Tracer	y>=3x-3	$y \geq 3 x - 3$
100808	Factoriser	4x^2+xy-14y^2	$4 x^{2} + x y - 14 y^{2}$
100809	Encontre n(m(x))	m(x)=(x+5)/(x-1) n(x)=x-3	$m (x) = \frac{x + 5}{x - 1}$ $n (x) = x - 3$
100810	Factoriser	4x^2+6x-10	$4 x^{2} + 6 x - 10$
100811	Factoriser	4x^2+x-18	$4 x^{2} + x - 18$
100812	Factoriser	4x^3+18x^2-10x	$4 x^{3} + 18 x^{2} - 10 x$
100813	Encontre p(d(x))	p(x)=x^4-6x^2-29 , d(x)=x+3	$p (x) = x^{4} - 6 x^{2} - 29$ , $d (x) = x + 3$
100814	Factoriser	4x^3+20x^2+24x	$4 x^{3} + 20 x^{2} + 24 x$
100815	Encontre f(h(x))	f(x)=-3x-1 , h(x)=-15/(x-4)	$f (x) = - 3 x - 1$ , $h (x) = - \frac{15}{x - 4}$
100816	Factoriser	4x^3+4x^2-48x	$4 x^{3} + 4 x^{2} - 48 x$
100817	Factoriser	4x^3+11x^2+6x	$4 x^{3} + 11 x^{2} + 6 x$
100818	Factoriser	4x^2y-9xy+5y	$4 x^{2} y - 9 x y + 5 y$
100819	Factoriser	4x^2-8x+32	$4 x^{2} - 8 x + 32$
100820	Encontre h(g(x))	g(x)=2x-3 , h(x)=(x+3)/2	$g (x) = 2 x - 3$ , $h (x) = \frac{x + 3}{2}$
100821	Factoriser	4x^2-4xy-15y^2	$4 x^{2} - 4 x y - 15 y^{2}$
100822	Factoriser	4x^2-60x+225	$4 x^{2} - 60 x + 225$
100823	Factoriser	42+51x-18x^2	$42 + 51 x - 18 x^{2}$
100824	Factoriser	4-2x-30y+15xy	$4 - 2 x - 30 y + 15 x y$
100825	Encontre q(r(x))	q(x)=x^2+6 , r(x) = square root of x+9	$q (x) = x^{2} + 6$ , $r (x) = \sqrt{x + 9}$
100826	Factoriser	42w^10+24w^6	$42 w^{10} + 24 w^{6}$
100827	Factoriser	42a^2b-5ab-25b	$42 a^{2} b - 5 a b - 25 b$
100828	Factoriser	42a^4+a^2-1	$42 a^{4} + a^{2} - 1$
100829	Factoriser	40-22x+x^2	$40 - 22 x + x^{2}$
100830	Encontre u(v(x))	u(x)=-2x^2+3 v(x)=1/x	$u (x) = - 2 x^{2} + 3$ $v (x) = \frac{1}{x}$
100831	Encontre f(f^-1^(x))	f(x)=2x+7 ; f^-1(x)=1/2x-7/2	$f (x) = 2 x + 7$ ; $f^{- 1} (x) = \frac{1}{2} x - \frac{7}{2}$
100832	Factoriser	4z^2+8z-az-2a	$4 z^{2} + 8 z - a z - 2 a$
100833	Factoriser	4y^5+8y^3-6y^2	$4 y^{5} + 8 y^{3} - 6 y^{2}$
100834	Factoriser	4y^3-32	$4 y^{3} - 32$
100835	Factoriser	40m^2-39m-40	$40 m^{2} - 39 m - 40$
100836	Encontre q(r(x))	q(x)=x^2+4 ; r(x) = square root of x+5	$q (x) = x^{2} + 4$ ; $r (x) = \sqrt{x + 5}$
100837	Factoriser	40x^2-70x+15	$40 x^{2} - 70 x + 15$
100838	Encontre w(s(x))	s(x)=x^2+2x-4 w(x)=4/(x-9)	$s (x) = x^{2} + 2 x - 4$ $w (x) = \frac{4}{x - 9}$
100839	Factoriser	45-20x^2	$45 - 20 x^{2}$
100840	Factoriser	45-5x^2	$45 - 5 x^{2}$
100841	Factoriser	48x^2+24x-72	$48 x^{2} + 24 x - 72$
100842	Factoriser	-48x^2-40x+48	$- 48 x^{2} - 40 x + 48$
100843	Factoriser	45x^3-5x	$45 x^{3} - 5 x$
100844	Factoriser	45x^2+42x+8	$45 x^{2} + 42 x + 8$
100845	Factoriser	45x^2+60x+20	$45 x^{2} + 60 x + 20$
100846	Factoriser	45g^2-20	$45 g^{2} - 20$
100847	Factoriser	45r^2-125	$45 r^{2} - 125$
100848	Encontre f(y(x))	f(x)=5/(x-7) y(x)=5/x+7	$f (x) = \frac{5}{x - 7}$ $y (x) = \frac{5}{x} + 7$
100849	Factoriser	49x^2+42x+8	$49 x^{2} + 42 x + 8$
100850	Factoriser	49w^2-64	$49 w^{2} - 64$
100851	Factoriser	49w^2-81	$49 w^{2} - 81$
100852	Factoriser	49u^2-28u+4	$49 u^{2} - 28 u + 4$
100853	Factoriser	49c^2-16	$49 c^{2} - 16$
100854	Encontre f(f(x))	f(x)=x^2+3g(x)	$f (x) = x^{2} + 3 g (x)$
100855	Factoriser	49a^2-28a+4	$49 a^{2} - 28 a + 4$
100856	Factoriser	4-9a^2	$4 - 9 a^{2}$
100857	Factoriser	48xy-75x^2	$48 x y - 75 x^{2}$
100858	Factoriser	48tu-90t+32u-60	$48 t u - 90 t + 32 u - 60$
100859	Factoriser	9y^4-49	$9 y^{4} - 49$
100860	Factoriser	9y^2-15y+4	$9 y^{2} - 15 y + 4$
100861	Factoriser	9z^2-4	$9 z^{2} - 4$
100862	Factoriser	9+12x+4x^2	$9 + 12 x + 4 x^{2}$
100863	Encontre q(r(x))	q(x)=-1 ; r(x)=2x^2+1	$q (x) = - 1$ ; $r (x) = 2 x^{2} + 1$
100864	Factoriser	90au-36av-150yu+60yv	$90 a u - 36 a v - 150 y u + 60 y v$
100865	Factoriser	9x+81	$9 x + 81$
100866	Factoriser	9x+9y	$9 x + 9 y$
100867	Factoriser	9-6x+x^2	$9 - 6 x + x^{2}$
100868	Encontre d(p(x))	p(x)=x^4-6x^2-29 , d(x)=x+3	$p (x) = x^{4} - 6 x^{2} - 29$ , $d (x) = x + 3$
100869	Factoriser	98x^3-50xy^2	$98 x^{3} - 50 x y^{2}$
100870	Factoriser	ab+4a+2b+8	$a b + 4 a + 2 b + 8$
100871	Factoriser	9y+6y^2-15	$9 y + 6 y^{2} - 15$
100872	Factoriser	9x-3	$9 x - 3$
100873	Factoriser	9x-2	$9 x - 2$
100874	Factoriser	9x-45	$9 x - 45$
100875	Factoriser	ax+ay	$a x + a y$
100876	Factoriser	ax-2ay+3bx-6 by	$a x - 2 a y + 3 b x - 6$ by
100877	Factoriser	ay-2by+2ax-4bx	$a y - 2 b y + 2 a x - 4 b x$
100878	Factoriser	bc(m+10)-5(10+m)	$b c (m + 10) - 5 (10 + m)$
100879	Factoriser	9n^2-24n+16	$9 n^{2} - 24 n + 16$
100880	Factoriser	9n^2-30n-25	$9 n^{2} - 30 n - 25$
100881	Encontre R(C(x))	R(x)=1000x-x^2 , C(x)=3200+10x	$R (x) = 1000 x - x^{2}$ , $C (x) = 3200 + 10 x$
100882	Factoriser	9p^2-3p-2	$9 p^{2} - 3 p - 2$
100883	Factoriser	9r^2-16	$9 r^{2} - 16$
100884	Factoriser	9t^2-49	$9 t^{2} - 49$
100885	Encontre m(N(x))	m(x)=(x+5)/(x-1) N(x)=x-3	$m (x) = \frac{x + 5}{x - 1}$ $N (x) = x - 3$
100886	Factoriser	9v^2-12v+4	$9 v^{2} - 12 v + 4$
100887	Factoriser	9w^2-24w+16	$9 w^{2} - 24 w + 16$
100888	Encontre y(f(x))	f(x)=(3x+1)/(x^2-25) , y(x)=(2x-4)/(x^2-25)	$f (x) = \frac{3 x + 1}{x^{2} - 25}$ , $y (x) = \frac{2 x - 4}{x^{2} - 25}$
100889	Factoriser	9w^2-25	$9 w^{2} - 25$
100890	Factoriser	9c^4d^3-6c^2d^4	$9 c^{4} d^{3} - 6 c^{2} d^{4}$
100891	Factoriser	9d^2-49	$9 d^{2} - 49$
100892	Factoriser	9m^2-45m+18m^3	$9 m^{2} - 45 m + 18 m^{3}$
100893	Factoriser	9m^2-30m+25	$9 m^{2} - 30 m + 25$
100894	Encontre q(p(x))	p(x)=x^2+6 , q(x) = square root of x+9	$p (x) = x^{2} + 6$ , $q (x) = \sqrt{x + 9}$
100895	Factoriser	9m^2-12m-5	$9 m^{2} - 12 m - 5$
100896	Encontre u(w(x))	u(x)=x^2+1 , w(x) = square root of x+6	$u (x) = x^{2} + 1$ , $w (x) = \sqrt{x + 6}$
100897	Factoriser	9m^2-16	$9 m^{2} - 16$
100898	Factoriser	9h^2+60h+100	$9 h^{2} + 60 h + 100$
100899	Factoriser	9m^2-4/9	$9 m^{2} - \frac{4}{9}$
100900	Factoriser	9a^2+11a+4	$9 a^{2} + 11 a + 4$