Mathway | Popular Problems

Popular Problems

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Rank	Topic	Problem	Formatted Problem
27801	Factor	81x^2-16y^2	$81 x^{2} - 16 y^{2}$
27802	Find f(g(x))	f(x)=6x-9 , g(x)=(x+6)/9	$f (x) = 6 x - 9$ , $g (x) = \frac{x + 6}{9}$
27803	Factor	81x^2+36x+4	$81 x^{2} + 36 x + 4$
27804	Find f(g(x))	f(x)=(x-3)/2 , g(x)=2x-3	$f (x) = \frac{x - 3}{2}$ , $g (x) = 2 x - 3$
27805	Factor	8y^3-4y^2-50y+25	$8 y^{3} - 4 y^{2} - 50 y + 25$
27806	Factor	75x^2-48	$75 x^{2} - 48$
27807	Factor	72p^2-50	$72 p^{2} - 50$
27808	Factor	7x^2+28x-84	$7 x^{2} + 28 x - 84$
27809	Factor	7x^2+14x-56	$7 x^{2} + 14 x - 56$
27810	Factor	6st+9t-10s-15	$6 s t + 9 t - 10 s - 15$
27811	Factor	6x-x^3-x^2	$6 x - x^{3} - x^{2}$
27812	Factor	n^2-6n+9	$n^{2} - 6 n + 9$
27813	Factor	n^2-8n+15	$n^{2} - 8 n + 15$
27814	Factor	n^2-12n+35	$n^{2} - 12 n + 35$
27815	Factor	m^2-36	$m^{2} - 36$
27816	Factor	k^2-100	$k^{2} - 100$
27817	Factor	b^2+7b-8	$b^{2} + 7 b - 8$
27818	Factor	b^2-8b+12	$b^{2} - 8 b + 12$
27819	Factor	a^4-6a^2-7	$a^{4} - 6 a^{2} - 7$
27820	Factor	a^4-2a^2-3	$a^{4} - 2 a^{2} - 3$
27821	Factor	a^4-4a^2-21	$a^{4} - 4 a^{2} - 21$
27822	Factor	a^6+b^6	$a^{6} + b^{6}$
27823	Factor	w^2+2w-8	$w^{2} + 2 w - 8$
27824	Solve by Substitution	2x+4y=11 3x+6y=17	$2 x + 4 y = 11$ $3 x + 6 y = 17$
27825	Factor	x^2+2/3x+1/9	$x^{2} + \frac{2}{3} x + \frac{1}{9}$
27826	Factor	t^3+1000	$t^{3} + 1000$
27827	Factor	t^2-15t+56	$t^{2} - 15 t + 56$
27828	Factor	u^2-16	$u^{2} - 16$
27829	Factor	v^4-81	$v^{4} - 81$
27830	Factor	(a-b)^2+8(a-b)+16	${(a - b)}^{2} + 8 (a - b) + 16$
27831	Factor	(p+q)^2+6(p+q)+9	${(p + q)}^{2} + 6 (p + q) + 9$
27832	Factor	(x+1)^2-9	${(x + 1)}^{2} - 9$
27833	Factor	(x-5)^2	${(x - 5)}^{2}$
27834	Factor	(y+z)^3+64	${(y + z)}^{3} + 64$
27835	Factor	a^2-8a+12	$a^{2} - 8 a + 12$
27836	Factor	a^2+8a-48	$a^{2} + 8 a - 48$
27837	Solve by Substitution	2x-3y=-1 y=x-1	$2 x - 3 y = - 1$ $y = x - 1$
27838	Factor	a^2+16a+64	$a^{2} + 16 a + 64$
27839	Factor	x^2+9x+9	$x^{2} + 9 x + 9$
27840	Factor	x^2+8x-xy-8y	$x^{2} + 8 x - x y - 8 y$
27841	Factor	x^2-10+25	$x^{2} - 10 + 25$
27842	Factor	x^2-10x+20	$x^{2} - 10 x + 20$
27843	Factor	x^2-12x+144	$x^{2} - 12 x + 144$
27844	Solve by Substitution	2x-y=10 2x-2y=4	$2 x - y = 10$ $2 x - 2 y = 4$
27845	Factor	x^2-18x-40	$x^{2} - 18 x - 40$
27846	Solve by Substitution	2x-y=10 3x-2y=8	$2 x - y = 10$ $3 x - 2 y = 8$
27847	Factor	x^2-5x-66	$x^{2} - 5 x - 66$
27848	Factor	x^2-3xy-40y^2	$x^{2} - 3 x y - 40 y^{2}$
27849	Factor	x^2-22x-75	$x^{2} - 22 x - 75$
27850	Solve by Substitution	2y+2x=8 2y-4x=2	$2 y + 2 x = 8$ $2 y - 4 x = 2$
27851	Factor	x^2-3x-8	$x^{2} - 3 x - 8$
27852	Factor	x^2-3x-3	$x^{2} - 3 x - 3$
27853	Factor	x^2+2x+10	$x^{2} + 2 x + 10$
27854	Factor	-x^2+19x+42	$- x^{2} + 19 x + 42$
27855	Factor	x^2+15x-54	$x^{2} + 15 x - 54$
27856	Factor	x^2+3x+x+3	$x^{2} + 3 x + x + 3$
27857	Factor	x^2+3x-8	$x^{2} + 3 x - 8$
27858	Factor	x^2+6x+9-y^2	$x^{2} + 6 x + 9 - y^{2}$
27859	Factor	x^4-3x^2-10	$x^{4} - 3 x^{2} - 10$
27860	Factor	x^8-16	$x^{8} - 16$
27861	Factor	x^3-8x^2+16x	$x^{3} - 8 x^{2} + 16 x$
27862	Factor	x^3-8x^2+15x	$x^{3} - 8 x^{2} + 15 x$
27863	Factor	x^3-4x^2-5x	$x^{3} - 4 x^{2} - 5 x$
27864	Factor	x^3-5x^2-14x	$x^{3} - 5 x^{2} - 14 x$
27865	Factor	x^3-5x^2+5x-25	$x^{3} - 5 x^{2} + 5 x - 25$
27866	Factor	x^4-x^2-20	$x^{4} - x^{2} - 20$
27867	Factor	x^3-9x^2	$x^{3} - 9 x^{2}$
27868	Solve by Substitution	5x+2y=1 y=-x+2	$5 x + 2 y = 1$ $y = - x + 2$
27869	Factor	x^3+7x^2+2x+14	$x^{3} + 7 x^{2} + 2 x + 14$
27870	Factor	x^3+2x	$x^{3} + 2 x$
27871	Factor	x^3+8x^2+11x-20	$x^{3} + 8 x^{2} + 11 x - 20$
27872	Factor	x^3-3x^2-28x	$x^{3} - 3 x^{2} - 28 x$
27873	Factor	x^2-x-10	$x^{2} - x - 10$
27874	Factor	10x^2-5x-5	$10 x^{2} - 5 x - 5$
27875	Solve by Substitution	5x+y=5 3x+2y=3	$5 x + y = 5$ $3 x + 2 y = 3$
27876	Factor	10x^2+17x-20	$10 x^{2} + 17 x - 20$
27877	Factor	z^4-81	$z^{4} - 81$
27878	Factor	y^2-4y-5	$y^{2} - 4 y - 5$
27879	Factor	y^2-3y-40	$y^{2} - 3 y - 40$
27880	Solve by Substitution	5x-6=y 2x-3y=4	$5 x - 6 = y$ $2 x - 3 y = 4$
27881	Factor	y^2-5y	$y^{2} - 5 y$
27882	Solve by Substitution	5x-6y=-38 3x+4y=0	$5 x - 6 y = - 38$ $3 x + 4 y = 0$
27883	Factor	y^3-15y^2+54y	$y^{3} - 15 y^{2} + 54 y$
27884	Factor	y^3+216	$y^{3} + 216$
27885	Factor	z^2+3z-18	$z^{2} + 3 z - 18$
27886	Factor	z^2-12z+20	$z^{2} - 12 z + 20$
27887	Factor	z^2-10z+16	$z^{2} - 10 z + 16$
27888	Factor	z^2-4z+4	$z^{2} - 4 z + 4$
27889	Factor	z^2-49	$z^{2} - 49$
27890	Solve by Substitution	8x-y=31 5x+3y=23	$8 x - y = 31$ $5 x + 3 y = 23$
27891	Factor	z^2-z-20	$z^{2} - z - 20$
27892	Solve by Substitution	8x-y=4 5x+3y=17	$8 x - y = 4$ $5 x + 3 y = 17$
27893	Factor	y^2-11y-12	$y^{2} - 11 y - 12$
27894	Solve by Substitution	m+n=1000 0.05m+0.06n=57	$m + n = 1000$ $0.05 m + 0.06 n = 57$
27895	Solve by Substitution	r+s=-12 4r-6s=12	$r + s = - 12$ $4 r - 6 s = 12$
27896	Factor	y^2+22y+121	$y^{2} + 22 y + 121$
27897	Factor	125+27y^3	$125 + 27 y^{3}$
27898	Factor	12r-8-12	$12 r - 8 - 12$
27899	Factor	12x^2-27y^2	$12 x^{2} - 27 y^{2}$
27900	Factor	12x^3+47x^2+11x	$12 x^{3} + 47 x^{2} + 11 x$