Mathway | Popular Problems

Popular Problems

Rank	Topic	Problem	Formatted Problem
100801	Find f(y(x))	f(x)=-x y(x)=-x	$f (x) = - x$ $y (x) = - x$
100802	Factor	4x^2-28x-72	$4 x^{2} - 28 x - 72$
100803	Factor	4x^2-29x-24	$4 x^{2} - 29 x - 24$
100804	Factor	4x^2-18x-10	$4 x^{2} - 18 x - 10$
100805	Find f(y(x))	f(x)=3x y(x)=2/x z(x) = square root of x	$f (x) = 3 x$ $y (x) = \frac{2}{x}$ $z (x) = \sqrt{x}$
100806	Factor	4x^2-20+25	$4 x^{2} - 20 + 25$
100807	Find p(n(x))	n(x)=x-6 , p(x)=x^2+3x	$n (x) = x - 6$ , $p (x) = x^{2} + 3 x$
100808	Factor	4x^2-3x+5	$4 x^{2} - 3 x + 5$
100809	Find C(R(x))	R(x)=1000x-x^2 , C(x)=3200+10x	$R (x) = 1000 x - x^{2}$ , $C (x) = 3200 + 10 x$
100810	Factor	4x^2-36x	$4 x^{2} - 36 x$
100811	Find g(h(x))	h(x)=(6-6x)^2 , g(x)=6-6x	$h (x) = {(6 - 6 x)}^{2}$ , $g (x) = 6 - 6 x$
100812	Factor	4x^2-16x-84	$4 x^{2} - 16 x - 84$
100813	Find v(u(x))	u(x)=-2x^2+3 v(x)=1/x	$u (x) = - 2 x^{2} + 3$ $v (x) = \frac{1}{x}$
100814	Factor	4x^2-14x-30	$4 x^{2} - 14 x - 30$
100815	Find m(p(x))	p(x)=1/( square root of x) , m(x)=x^2-16	$p (x) = \frac{1}{\sqrt{x}}$ , $m (x) = x^{2} - 16$
100816	Factor	4x^2-13x-35	$4 x^{2} - 13 x - 35$
100817	Factor	4x^2-10	$4 x^{2} - 10$
100818	Factor	4x^2+0x-25	$4 x^{2} + 0 x - 25$
100819	Graph	y>=3x-3	$y \geq 3 x - 3$
100820	Factor	4x^2+xy-14y^2	$4 x^{2} + x y - 14 y^{2}$
100821	Find n(m(x))	m(x)=(x+5)/(x-1) n(x)=x-3	$m (x) = \frac{x + 5}{x - 1}$ $n (x) = x - 3$
100822	Factor	4x^2+6x-10	$4 x^{2} + 6 x - 10$
100823	Factor	4x^2+x-18	$4 x^{2} + x - 18$
100824	Factor	4x^3+18x^2-10x	$4 x^{3} + 18 x^{2} - 10 x$
100825	Find p(d(x))	p(x)=x^4-6x^2-29 , d(x)=x+3	$p (x) = x^{4} - 6 x^{2} - 29$ , $d (x) = x + 3$
100826	Factor	4x^3+20x^2+24x	$4 x^{3} + 20 x^{2} + 24 x$
100827	Find f(h(x))	f(x)=-3x-1 , h(x)=-15/(x-4)	$f (x) = - 3 x - 1$ , $h (x) = - \frac{15}{x - 4}$
100828	Factor	4x^3+4x^2-48x	$4 x^{3} + 4 x^{2} - 48 x$
100829	Factor	4x^3+11x^2+6x	$4 x^{3} + 11 x^{2} + 6 x$
100830	Factor	4x^2y-9xy+5y	$4 x^{2} y - 9 x y + 5 y$
100831	Factor	4x^2-8x+32	$4 x^{2} - 8 x + 32$
100832	Find h(g(x))	g(x)=2x-3 , h(x)=(x+3)/2	$g (x) = 2 x - 3$ , $h (x) = \frac{x + 3}{2}$
100833	Factor	4x^2-4xy-15y^2	$4 x^{2} - 4 x y - 15 y^{2}$
100834	Factor	4x^2-60x+225	$4 x^{2} - 60 x + 225$
100835	Factor	42+51x-18x^2	$42 + 51 x - 18 x^{2}$
100836	Factor	4-2x-30y+15xy	$4 - 2 x - 30 y + 15 x y$
100837	Find q(r(x))	q(x)=x^2+6 , r(x) = square root of x+9	$q (x) = x^{2} + 6$ , $r (x) = \sqrt{x + 9}$
100838	Factor	42w^10+24w^6	$42 w^{10} + 24 w^{6}$
100839	Factor	42a^2b-5ab-25b	$42 a^{2} b - 5 a b - 25 b$
100840	Factor	42a^4+a^2-1	$42 a^{4} + a^{2} - 1$
100841	Factor	40-22x+x^2	$40 - 22 x + x^{2}$
100842	Find u(v(x))	u(x)=-2x^2+3 v(x)=1/x	$u (x) = - 2 x^{2} + 3$ $v (x) = \frac{1}{x}$
100843	Find f(f^-1^(x))	f(x)=2x+7 ; f^-1(x)=1/2x-7/2	$f (x) = 2 x + 7$ ; $f^{- 1} (x) = \frac{1}{2} x - \frac{7}{2}$
100844	Factor	4z^2+8z-az-2a	$4 z^{2} + 8 z - a z - 2 a$
100845	Factor	4y^5+8y^3-6y^2	$4 y^{5} + 8 y^{3} - 6 y^{2}$
100846	Factor	4y^3-32	$4 y^{3} - 32$
100847	Factor	40m^2-39m-40	$40 m^{2} - 39 m - 40$
100848	Find q(r(x))	q(x)=x^2+4 ; r(x) = square root of x+5	$q (x) = x^{2} + 4$ ; $r (x) = \sqrt{x + 5}$
100849	Factor	40x^2-70x+15	$40 x^{2} - 70 x + 15$
100850	Find w(s(x))	s(x)=x^2+2x-4 w(x)=4/(x-9)	$s (x) = x^{2} + 2 x - 4$ $w (x) = \frac{4}{x - 9}$
100851	Factor	45-20x^2	$45 - 20 x^{2}$
100852	Factor	45-5x^2	$45 - 5 x^{2}$
100853	Factor	48x^2+24x-72	$48 x^{2} + 24 x - 72$
100854	Factor	-48x^2-40x+48	$- 48 x^{2} - 40 x + 48$
100855	Factor	45x^3-5x	$45 x^{3} - 5 x$
100856	Factor	45x^2+42x+8	$45 x^{2} + 42 x + 8$
100857	Factor	45x^2+60x+20	$45 x^{2} + 60 x + 20$
100858	Factor	45g^2-20	$45 g^{2} - 20$
100859	Factor	45r^2-125	$45 r^{2} - 125$
100860	Find f(y(x))	f(x)=5/(x-7) y(x)=5/x+7	$f (x) = \frac{5}{x - 7}$ $y (x) = \frac{5}{x} + 7$
100861	Factor	49x^2+42x+8	$49 x^{2} + 42 x + 8$
100862	Factor	49w^2-64	$49 w^{2} - 64$
100863	Factor	49w^2-81	$49 w^{2} - 81$
100864	Factor	49u^2-28u+4	$49 u^{2} - 28 u + 4$
100865	Factor	49c^2-16	$49 c^{2} - 16$
100866	Find f(f(x))	f(x)=x^2+3g(x)	$f (x) = x^{2} + 3 g (x)$
100867	Factor	49a^2-28a+4	$49 a^{2} - 28 a + 4$
100868	Factor	4-9a^2	$4 - 9 a^{2}$
100869	Factor	48xy-75x^2	$48 x y - 75 x^{2}$
100870	Factor	48tu-90t+32u-60	$48 t u - 90 t + 32 u - 60$
100871	Factor	9y^4-49	$9 y^{4} - 49$
100872	Factor	9y^2-15y+4	$9 y^{2} - 15 y + 4$
100873	Factor	9z^2-4	$9 z^{2} - 4$
100874	Factor	9+12x+4x^2	$9 + 12 x + 4 x^{2}$
100875	Find q(r(x))	q(x)=-1 ; r(x)=2x^2+1	$q (x) = - 1$ ; $r (x) = 2 x^{2} + 1$
100876	Factor	90au-36av-150yu+60yv	$90 a u - 36 a v - 150 y u + 60 y v$
100877	Factor	9x+81	$9 x + 81$
100878	Factor	9x+9y	$9 x + 9 y$
100879	Factor	9-6x+x^2	$9 - 6 x + x^{2}$
100880	Find d(p(x))	p(x)=x^4-6x^2-29 , d(x)=x+3	$p (x) = x^{4} - 6 x^{2} - 29$ , $d (x) = x + 3$
100881	Factor	98x^3-50xy^2	$98 x^{3} - 50 x y^{2}$
100882	Factor	ab+4a+2b+8	$a b + 4 a + 2 b + 8$
100883	Factor	9y+6y^2-15	$9 y + 6 y^{2} - 15$
100884	Factor	9x-3	$9 x - 3$
100885	Factor	9x-2	$9 x - 2$
100886	Factor	9x-45	$9 x - 45$
100887	Factor	ax+ay	$a x + a y$
100888	Factor	ax-2ay+3bx-6 by	$a x - 2 a y + 3 b x - 6$ by
100889	Factor	ay-2by+2ax-4bx	$a y - 2 b y + 2 a x - 4 b x$
100890	Factor	bc(m+10)-5(10+m)	$b c (m + 10) - 5 (10 + m)$
100891	Factor	9n^2-24n+16	$9 n^{2} - 24 n + 16$
100892	Factor	9n^2-30n-25	$9 n^{2} - 30 n - 25$
100893	Find R(C(x))	R(x)=1000x-x^2 , C(x)=3200+10x	$R (x) = 1000 x - x^{2}$ , $C (x) = 3200 + 10 x$
100894	Factor	9p^2-3p-2	$9 p^{2} - 3 p - 2$
100895	Factor	9r^2-16	$9 r^{2} - 16$
100896	Factor	9t^2-49	$9 t^{2} - 49$
100897	Find m(N(x))	m(x)=(x+5)/(x-1) N(x)=x-3	$m (x) = \frac{x + 5}{x - 1}$ $N (x) = x - 3$
100898	Factor	9v^2-12v+4	$9 v^{2} - 12 v + 4$
100899	Factor	9w^2-24w+16	$9 w^{2} - 24 w + 16$
100900	Find y(f(x))	f(x)=(3x+1)/(x^2-25) , y(x)=(2x-4)/(x^2-25)	$f (x) = \frac{3 x + 1}{x^{2} - 25}$ , $y (x) = \frac{2 x - 4}{x^{2} - 25}$