Mathway | Popular Problems

Popular Problems

Rank	Topic	Problem	Formatted Problem
18801	Find the LCM	2x^3-4x^2+6x-3 , x^3(6x^2)-8x+12 , -3x^3(2x^2)-4x-7	$2 x^{3} - 4 x^{2} + 6 x - 3$ $2 x^{3} - 4 x^{2} + 6 x - 3$ , $x^{3} \cdot (6 x^{2}) - 8 x + 12$ $x^{3} \cdot (6 x^{2}) - 8 x + 12$ , $- 3 x^{3} \cdot (2 x^{2}) - 4 x - 7$ $- 3 x^{3} \cdot (2 x^{2}) - 4 x - 7$
18802	Find the LCM	20 , 0-160x	$20$ $20$ , $0 - 160 x$ $0 - 160 x$
18803	Find the LCM	20 , 20 , 13 , 12 , 17	$20$ $20$ , $20$ $20$ , $13$ $13$ , $12$ $12$ , $17$ $17$
18804	Find the LCM	20cd , 40a^2c^2d^4 , 15abd^3	$20 c d$ $20 c d$ , $40 a^{2} c^{2} d^{4}$ $40 a^{2} c^{2} d^{4}$ , $15 a b d^{3}$ $15 a b d^{3}$
18805	Find the LCM	22 , 15 , 69 , 65 , 85 , 74 , 45 , 45 , 45 , 22	$22$ $22$ , $15$ $15$ , $69$ $69$ , $65$ $65$ , $85$ $85$ , $74$ $74$ , $45$ $45$ , $45$ $45$ , $45$ $45$ , $22$ $22$
18806	Find the LCM	221(4) , 131(4)	$221 (4)$ $221 (4)$ , $131 (4)$ $131 (4)$
18807	Find the LCM	230 , 0(1+0.50r)	$230$ $230$ , $0 (1 + 0.5 r)$ $0 (1 + 0.5 r)$
18808	Find the LCM	25x^6-10x^5+x^4 , 5x^3-x^2 , x^5	$25 x^{6} - 10 x^{5} + x^{4}$ $25 x^{6} - 10 x^{5} + x^{4}$ , $5 x^{3} - x^{2}$ $5 x^{3} - x^{2}$ , $x^{5}$ $x^{5}$
18809	Find the LCM	2501.5 , 375250	$250 \cdot 1.5$ $250 \cdot 1.5$ , $375 \cdot 250$ $375 \cdot 250$
18810	Find the LCM	258 , 0km	$258$ $258$ , $0 km$ $0 km$
18811	Find the LCM	-3 , 18 , -108	$- 3$ $- 3$ , $18$ $18$ , $- 108$ $- 108$
18812	Find the LCM	3 , 225	$3$ $3$ , $225$ $225$
18813	Find the LCM	-3 , -3 , 2-5i , 2+5i	$- 3$ $- 3$ , $- 3$ $- 3$ , $2 - 5 i$ $2 - 5 i$ , $2 + 5 i$ $2 + 5 i$
18814	Find the LCM	3 , 3a+(a-4)	$3$ $3$ , $3 a + (a - 4)$ $3 a + (a - 4)$
18815	Find the LCM	3 , 7 , 13 , 19 , 22 , 21 , 17 , 10 , 8 , 1 , 8 , 13 , 15 , 24 , 17 , 13 , 4 , 10 , 15 , 20	$3$ $3$ , $7$ $7$ , $13$ $13$ , $19$ $19$ , $22$ $22$ , $21$ $21$ , $17$ $17$ , $10$ $10$ , $8$ $8$ , $1$ $1$ , $8$ $8$ , $13$ $13$ , $15$ $15$ , $24$ $24$ , $17$ $17$ , $13$ $13$ , $4$ $4$ , $10$ $10$ , $15$ $15$ , $20$ $20$
18816	Find the LCM	3x^3(x+7)(x-1) , 7x^4((x+7)(x+7))	$3 x^{3} (x + 7) (x - 1)$ $3 x^{3} (x + 7) (x - 1)$ , $7 x^{4} ((x + 7) (x + 7))$ $7 x^{4} ((x + 7) (x + 7))$
18817	Find the LCM	32x^2 , 12x	$32 x^{2}$ $32 x^{2}$ , $12 x$ $12 x$
18818	Find the LCM	36 , 49÷9	$36$ $36$ , $49 \div 9$ $49 \div 9$
18819	Find the LCM	36 , 96	$36$ $36$ , $96$ $96$
18820	Find the LCM	360 , 0	$360$ $360$ , $0$ $0$
18821	Find the LCM	4 , 3 , i , 3-i , -1	$4$ $4$ , $3$ $3$ , $i$ $i$ , $3 - i$ $3 - i$ , $- 1$ $- 1$
18822	Find the LCM	4r^2-25r+6 , y^2-2y-35	$4 r^{2} - 25 r + 6$ $4 r^{2} - 25 r + 6$ , $y^{2} - 2 y - 35$ $y^{2} - 2 y - 35$
18823	Find the LCM	5%*2000	$5 % \cdot 2000$ $5 % \cdot 2000$
18824	Find the LCM	-5x^2 , 4x	$- 5 x^{2}$ $- 5 x^{2}$ , $4 x$ $4 x$
18825	Find the LCM	57 , 5 , 39	$57$ $57$ , $5$ $5$ , $39$ $39$
18826	Find the LCM	5x , 15xy	$5 x$ $5 x$ , $15 x y$ $15 x y$
18827	Find the LCM	5x+25 , x+5	$5 x + 25$ $5 x + 25$ , $x + 5$ $x + 5$
18828	Find the LCM	-6 , 6	$- 6$ $- 6$ , $6$ $6$
18829	Find the LCM	60 , 45	$60$ $60$ , $45$ $45$
18830	Find the LCM	63000-27000 , 3÷36000 , 1/12000*2	$63000 - 27000$ $63000 - 27000$ , $3 \div 36000$ $3 \div 36000$ , $\frac{1}{12000} \cdot 2$ $\frac{1}{12000} \cdot 2$
18831	Find the LCM	7x^4 , 5x^2	$7 x^{4}$ $7 x^{4}$ , $5 x^{2}$ $5 x^{2}$
18832	Find the LCM	70 , 56	$70$ $70$ , $56$ $56$
18833	Find the LCM	72 , 36 , 40 , 20 , 24 , 12 , 16	$72$ $72$ , $36$ $36$ , $40$ $40$ , $20$ $20$ , $24$ $24$ , $12$ $12$ , $16$ $16$
18834	Find the LCM	7i-4 , 6	$7 i - 4$ $7 i - 4$ , $6$ $6$
18835	Find the LCM	8%*4600	$8 % \cdot 4600$ $8 % \cdot 4600$
18836	Find the LCM	8 , 8 , 8 , 10 , 9 , 8 , 7 , 9 , 10	$8$ $8$ , $8$ $8$ , $8$ $8$ , $10$ $10$ , $9$ $9$ , $8$ $8$ , $7$ $7$ , $9$ $9$ , $10$ $10$
18837	Find the LCM	83÷44 , 268	$83 \div 44$ $83 \div 44$ , $268$ $268$
18838	Find the LCM	9 , 8 , 1	$9$ $9$ , $8$ $8$ , $1$ $1$
18839	Find the LCM	910 , 800/1800	$910$ $910$ , $\frac{800}{1800}$ $\frac{800}{1800}$
18840	Find the LCM	f(x)3^x-2 , g(x)3^x	$f (x) \cdot 3^{x} - 2$ $f (x) \cdot 3^{x} - 2$ , $g (x) \cdot 3^{x}$ $g (x) \cdot 3^{x}$
18841	Find the LCM	x , x+yo	$x$ $x$ , $x + y o$ $x + y o$
18842	Find the LCM	x-3 , -4x-23	$x - 3$ $x - 3$ , $- 4 x - 23$ $- 4 x - 23$
18843	Find the LCM	y , v , m , b , l , h , v , f , s , i	$y$ $y$ , $v$ $v$ , $m$ $m$ , $b$ $b$ , $l$ $l$ , $h$ $h$ , $v$ $v$ , $f$ $f$ , $s$ $s$ , $i$ $i$
18844	Find the LCM	y+0 , 942y-37 , 68	$y + 0$ $y + 0$ , $942 y - 37$ $942 y - 37$ , $68$ $68$
18845	Solve in Terms of the Arbitrary Variable Z	5x+7y+7z=-17 , -4x+y-3Z=-12	$5 x + 7 y + 7 z = - 17$ $5 x + 7 y + 7 z = - 17$ , $- 4 x + y - 3 Z = - 12$ $- 4 x + y - 3 Z = - 12$
18846	Solve by Substitution	5x+0y=4 , 0x+4y=-3	$5 x + 0 y = 4$ $5 x + 0 y = 4$ , $0 x + 4 y = - 3$ $0 x + 4 y = - 3$
18847	Solve by Substitution	14x+20y-12z=-8 , -7x-10y+6z=4	$14 x + 20 y - 12 z = - 8$ $14 x + 20 y - 12 z = - 8$ , $- 7 x - 10 y + 6 z = 4$ $- 7 x - 10 y + 6 z = 4$
18848	Solve by Substitution	2a-3b=-7 , 4a-6b=8	$2 a - 3 b = - 7$ $2 a - 3 b = - 7$ , $4 a - 6 b = 8$ $4 a - 6 b = 8$
18849	Solve by Substitution	2x+3y=30 , 2x+y=26	$2 x + 3 y = 30$ $2 x + 3 y = 30$ , $2 x + y = 26$ $2 x + y = 26$
18850	Solve Using a Matrix with Cramer's Rule	x-2y+3z=-1 , -2x+y-z=2 , 3x-3y+2z=-1	$x - 2 y + 3 z = - 1$ $x - 2 y + 3 z = - 1$ , $- 2 x + y - z = 2$ $- 2 x + y - z = 2$ , $3 x - 3 y + 2 z = - 1$ $3 x - 3 y + 2 z = - 1$
18851	Solve by Substitution	x+2y+z=-4 , -2x-3y-z=1 , 4x+8y+4z=-16	$x + 2 y + z = - 4$ $x + 2 y + z = - 4$ , $- 2 x - 3 y - z = 1$ $- 2 x - 3 y - z = 1$ , $4 x + 8 y + 4 z = - 16$ $4 x + 8 y + 4 z = - 16$
18852	Calculate the Square Root	square root of 1125	$\sqrt{1125}$ $\sqrt{1125}$
18853	Convert to Interval Notation	7x-14<=4x-15	$7 x - 14 \leq 4 x - 15$ $7 x - 14 \leq 4 x - 15$
18854	Find the Inverse	[[0.8,-0.6],[-0.5,0.4]]	$[\begin{matrix} 0.8 & - 0.6 - 0.5 & 0.4 \end{matrix}]$ $[\begin{array}{c} 0.8 & - 0.6 \\ - 0.5 & 0.4 \end{array}]$
18855	Find the Inverse	[[1,0,d],[1,1,2],[0,0,1]]	$⎡ ⎢ ⎣ \begin{matrix} 1 & 0 & d 1 & 1 & 2 0 & 0 & 1 \end{matrix} ⎤ ⎥ ⎦$ $[\begin{array}{c} 1 & 0 & d \\ 1 & 1 & 2 \\ 0 & 0 & 1 \end{array}]$
18856	Find Reduced Row Echelon Form	[[1,1,1,26],[7000,14000,28000,434000]]	$[\begin{matrix} 1 & 1 & 1 & 26 7000 & 14000 & 28000 & 434000 \end{matrix}]$ $[\begin{array}{c} 1 & 1 & 1 & 26 \\ 7000 & 14000 & 28000 & 434000 \end{array}]$
18857	Solve Using an Augmented Matrix	-4x+5y=13 , -12x+15y=39	$- 4 x + 5 y = 13$ $- 4 x + 5 y = 13$ , $- 12 x + 15 y = 39$ $- 12 x + 15 y = 39$
18858	Simplify the Matrix	[[3,6,24],[2,3,11]]	$[\begin{matrix} 3 & 6 & 24 2 & 3 & 11 \end{matrix}]$ $[\begin{array}{c} 3 & 6 & 24 \\ 2 & 3 & 11 \end{array}]$
18859	Find the Number of Possibilities	3 permute 11	${}_{3}P_{11}$
18860	Find the Number of Possibilities	25 choose 10	${}_{25}C_{10}$
18861	Find the Number of Possibilities	25 choose 7	${}_{25}C_{7}$
18862	Evaluate	1.005^48	${1.005}^{48}$
18863	Evaluate	(10!)/((10-5)!)	$\frac{10!}{(10 - 5)!}$
18864	Evaluate	120/1716	$\frac{120}{1716}$
18865	Evaluate	(17!)/(4!(17-4)!)	$\frac{17!}{4! (17 - 4)!}$
18866	Multiply	190.03^20.97^17	$19 \cdot {0.03}^{2} \cdot {0.97}^{17}$
18867	Find the Domain	6y-9x=7	$6 y - 9 x = 7$
18868	Find the Domain	alpha	$α$
18869	Find the x and y Intercepts	2x^3+36x^2+192x+6	$2 x^{3} + 36 x^{2} + 192 x + 6$
18870	Find the LCD	13/(30x^2) , 13/(18x)	$\frac{13}{30 x^{2}}$ , $\frac{13}{18 x}$
18871	Find the LCD	2/1 , 3/4 , 4/9 , 5/16	$\frac{2}{1}$ , $\frac{3}{4}$ , $\frac{4}{9}$ , $\frac{5}{16}$
18872	Find the LCD	3/22 , 7/55	$\frac{3}{22}$ , $\frac{7}{55}$
18873	Find the LCD	9/10 , 7/8	$\frac{9}{10}$ , $\frac{7}{8}$
18874	Find the LCD	y^6 , y^5 , y^2	$y^{6}$ , $y^{5}$ , $y^{2}$
18875	Find the LCD	1 , 4 , 7 , 10	$1$ , $4$ , $7$ , $10$
18876	Find the LCD	10 , 4	$10$ , $4$
18877	Find the LCD	2 , 4 , 6 , 8	$2$ , $4$ , $6$ , $8$
18878	Find the LCD	219 , 177 , 181 , 287 , 194 , 123 , 247 , 232 , 126	$219$ , $177$ , $181$ , $287$ , $194$ , $123$ , $247$ , $232$ , $126$
18879	Find the LCD	24 , 90	$24$ , $90$
18880	Find the LCD	3 , 1-4i	$3$ , $1 - 4 i$
18881	Find the LCD	3 , 5 , 8 , 11 , 13	$3$ , $5$ , $8$ , $11$ , $13$
18882	Find the LCD	32x^2 , 12x	$32 x^{2}$ , $12 x$
18883	Find the LCD	4 , 5 , 10	$4$ , $5$ , $10$
18884	Find the LCD	4 , -1/2 , 1/16	$4$ , $- \frac{1}{2}$ , $\frac{1}{16}$
18885	Find the LCD	4 , 720 , 0 , 0	$4$ , $720$ , $0$ , $0$
18886	Find the LCD	419 , 290 , 195 , 155 , 283 , 330 , 441 , 200	$419$ , $290$ , $195$ , $155$ , $283$ , $330$ , $441$ , $200$
18887	Find the LCD	429 , 453 , 408 , 226	$429$ , $453$ , $408$ , $226$
18888	Find the LCD	46 , 44 , 40 , 49 , 46	$46$ , $44$ , $40$ , $49$ , $46$
18889	Find the LCD	48x , 6x^2 , 8x^3	$48 x$ , $6 x^{2}$ , $8 x^{3}$
18890	Find the LCD	57 , 5 , 39	$57$ , $5$ , $39$
18891	Find the LCD	7 , 5 , 3 , 0 , 0 , 4 , 8 , 2 , 1 , 3 , 7 , 15 , 0 , 3 , 5	$7$ , $5$ , $3$ , $0$ , $0$ , $4$ , $8$ , $2$ , $1$ , $3$ , $7$ , $15$ , $0$ , $3$ , $5$
18892	Find the LCD	89 , 79 , 83 , 83 , 70	$89$ , $79$ , $83$ , $83$ , $70$
18893	Find the LCD	9x-9 , x^2-4x+3 , x^2-6x+9	$9 x - 9$ , $x^{2} - 4 x + 3$ , $x^{2} - 6 x + 9$
18894	Solve for x	-3x>27	$- 3 x > 27$
18895	Solve for x	-(2(x-1)-7)<=9x-(3-x)	$- (2 (x - 1) - 7) \leq 9 x - (3 - x)$
18896	Solve for x	-8<=8x-3<0	$- 8 \leq 8 x - 3 < 0$
18897	Simplify	1-1/8+1/64-1/512	$1 - \frac{1}{8} + \frac{1}{64} - \frac{1}{512}$
18898	Solve for k	2k+1>5	$2 k + 1 > 5$
18899	Simplify	9c^5	$9 c^{5}$
18900	Solve for x	8y-8x=-8(8+x)	$8 y - 8 x = - 8 (8 + x)$