Mathway | Popular Problems

Popular Problems

Rank	Topic	Problem	Formatted Problem
18501	Find the LCD	(x^2)/(5(x-y))+(y^2)/(4(x-y))	$\frac{x^{2}}{5 (x - y)} + \frac{y^{2}}{4 (x - y)}$
18502	Find the LCD	(x^2)/(x+2)-4/(x+2)	$\frac{x^{2}}{x + 2} - \frac{4}{x + 2}$
18503	Find the LCD	(x^2+5x-6)/(x^2-9)+(x^2-2x-12)/(x^2-9)	$\frac{x^{2} + 5 x - 6}{x^{2} - 9} + \frac{x^{2} - 2 x - 12}{x^{2} - 9}$
18504	Find the LCD	(x^2-81)/(x^2-2x-63)*(x+7)/x	$\frac{x^{2} - 81}{x^{2} - 2 x - 63} \cdot \frac{x + 7}{x}$
18505	Factor by Grouping	3+16u^2+14u	$3 + 16 u^{2} + 14 u$
18506	Factor by Grouping	32a^2-8ab-12b^2	$32 a^{2} - 8 a b - 12 b^{2}$
18507	Factor by Grouping	35x^2*(6x)-8	$35 x^{2} \cdot (6 x) - 8$
18508	Factor by Grouping	36+4u+4v	$36 + 4 u + 4 v$
18509	Factor by Grouping	4a^2-20a+25	$4 a^{2} - 20 a + 25$
18510	Factor by Grouping	4w^2-40w+100	$4 w^{2} - 40 w + 100$
18511	Factor by Grouping	4x^2+31x-90	$4 x^{2} + 31 x - 90$
18512	Factor by Grouping	4y^2-4y-3	$4 y^{2} - 4 y - 3$
18513	Factor by Grouping	40u-uw-5u^2+8w	$40 u - u w - 5 u^{2} + 8 w$
18514	Factor by Grouping	49u^2-14u+1	$49 u^{2} - 14 u + 1$
18515	Factor by Grouping	4pq+20p-20q-100	$4 p q + 20 p - 20 q - 100$
18516	Factor by Grouping	5a^3-a^2-25a+5	$5 a^{3} - a^{2} - 25 a + 5$
18517	Factor by Grouping	5c^2+24c-5	$5 c^{2} + 24 c - 5$
18518	Factor by Grouping	5x-3y+15	$5 x - 3 y + 15$
18519	Factor by Grouping	-5y+5v^2-25v+vy	$- 5 y + 5 v^{2} - 25 v + v y$
18520	Factor by Grouping	6b^2-19b+10	$6 b^{2} - 19 b + 10$
18521	Factor by Grouping	6x^2y^2+9x^3y	$6 x^{2} y^{2} + 9 x^{3} y$
18522	Factor by Grouping	6x^2+5x-21	$6 x^{2} + 5 x - 21$
18523	Factor by Grouping	6x^3-16x^2+21x-56	$6 x^{3} - 16 x^{2} + 21 x - 56$
18524	Factor by Grouping	6y-12-15y^2+10y	$6 y - 12 - 15 y^{2} + 10 y$
18525	Factor by Grouping	8a^4b^3+27a^7	$8 a^{4} b^{3} + 27 a^{7}$
18526	Factor by Grouping	8u^9+125v^6	$8 u^{9} + 125 v^{6}$
18527	Factor by Grouping	8z^2-16z	$8 z^{2} - 16 z$
18528	Factor by Grouping	8+9i	$8 + 9 i$
18529	Factor by Grouping	8y+6y^2-14	$8 y + 6 y^{2} - 14$
18530	Factor by Grouping	9x^2-30x+16	$9 x^{2} - 30 x + 16$
18531	Factor by Grouping	9x^3-22000x^2+230000x-9000000fx	$9 x^{3} - 22000 x^{2} + 230000 x - 9000000 f x$
18532	Factor by Grouping	90au-36av-150yu+60yv	$90 a u - 36 a v - 150 y u + 60 y v$
18533	Factor by Grouping	am-3bm+2na-6bn	$a m - 3 b m + 2 n a - 6 b n$
18534	Factor by Grouping	f(0)-(f(-4a))/8	$f (0) - \frac{f (- 4 a)}{8}$
18535	Factor by Grouping	gh+7g+8h+56	$g h + 7 g + 8 h + 56$
18536	Factor by Grouping	6c^2-11c-35	$6 c^{2} - 11 c - 35$
18537	Factor by Grouping	mx+mz+px+pz+ny+nz+py+pz+xn+nm+ym+yn	$m x + m z + p x + p z + n y + n z + p y + p z + x n + n m + y m + y n$
18538	Factor by Grouping	normalcdf (-10000,2700,3173,1120)	normalcdf $(- 10000, 2700, 3173, 1120)$
18539	Factor by Grouping	pq+4p+3q+12	$p q + 4 p + 3 q + 12$
18540	Factor by Grouping	sec(t)sin(t)+cos(t)	$\sec (t) \sin (t) + \cos (t)$
18541	Factor by Grouping	sin(pi-a)	$\sin (π - a)$
18542	Factor by Grouping	x^3-x^2-9x+9	$x^{3} - x^{2} - 9 x + 9$
18543	Factor by Grouping	z+6z^2-5	$z + 6 z^{2} - 5$
18544	Evaluate Using the Given Value	0.42x+0.23y+0.15z=x , 0.27x+0.45y+0.37z=y , 0.31x+0.32y+0.48z , x+y+z=1	$0.42 x + 0.23 y + 0.15 z = x$ , $0.27 x + 0.45 y + 0.37 z = y$ , $0.31 x + 0.32 y + 0.48 z$ , $x + y + z = 1$
18545	Evaluate Using the Given Value	\|-(-q)\| , q=8	$\| - (- q) \|$ , $q = 8$
18546	Evaluate Using the Given Value	\|2x\|=8 , 0.4	$\| 2 x \| = 8$ , $0.4$
18547	Evaluate Using the Given Value	1/2x+2y=4 , 5x+4y=8	$\frac{1}{2} x + 2 y = 4$ , $5 x + 4 y = 8$
18548	Evaluate Using the Given Value	10^X=0 , 1	$10^{X} = 0$ , $1$
18549	Evaluate Using the Given Value	6^(5x)=92 , 184	$6^{5 x} = 92$ , $184$
18550	Evaluate Using the Given Value	0 , 5x+3=9	$0$ , $5 x + 3 = 9$
18551	Evaluate Using the Given Value	0 , 6x-0.4=0.5x+7	$0$ , $6 x - 0.4 = 0.5 x + 7$
18552	Evaluate Using the Given Value	0.041t^2+0.476t+0.179 , t=4.6	$0.041 t^{2} + 0.476 t + 0.179$ , $t = 4.6$
18553	Evaluate Using the Given Value	10 , m=4	$10$ , $m = 4$
18554	Evaluate Using the Given Value	1000(1.08)^(2t)=5 , 0	$1000 {(1.08)}^{2 t} = 5$ , $0$
18555	Evaluate Using the Given Value	2 , 0x=-2	$2$ , $0 x = - 2$
18556	Evaluate Using the Given Value	-2x^3-13x^2-21x-1 , k=-4	$- 2 x^{3} - 13 x^{2} - 21 x - 1$ , $k = - 4$
18557	Evaluate Using the Given Value	22 , 135=19000(1+r(39))	$22$ , $135 = 19000 (1 + r (39))$
18558	Evaluate Using the Given Value	28x+40x=190 , 800	$28 x + 40 x = 190$ , $800$
18559	Evaluate Using the Given Value	2x-y=2 , 5x+6y+9	$2 x - y = 2$ , $5 x + 6 y + 9$
18560	Evaluate Using the Given Value	3x-2y=-5 , x+2y-9	$3 x - 2 y = - 5$ , $x + 2 y - 9$
18561	Evaluate Using the Given Value	46x=15 , 600+22x	$46 x = 15$ , $600 + 22 x$
18562	Evaluate Using the Given Value	4x+2y=10 , (3y)	$4 x + 2 y = 10$ , $(3 y)$
18563	Evaluate Using the Given Value	4x-2y=0 , 8x+7y	$4 x - 2 y = 0$ , $8 x + 7 y$
18564	Evaluate Using the Given Value	5sin(a-7pi)-11cos((3pi)/2+a) , sin(a)=-0.25	$5 \sin (a - 7 π) - 11 \cos (\frac{3 π}{2} + a)$ , $\sin (a) = - 0.25$
18565	Evaluate Using the Given Value	5x=8y+1 , -10x+16y	$5 x = 8 y + 1$ , $- 10 x + 16 y$
18566	Evaluate Using the Given Value	-8+16-32+64-128+256-512 , n=3	$- 8 + 16 - 32 + 64 - 128 + 256 - 512$ , $n = 3$
18567	Evaluate Using the Given Value	a=193 , (0(0.00375))/((1+0.00375)^132-1)	$a = 193$ , $\frac{0 (0.00375)}{{(1 + 0.00375)}^{132} - 1}$
18568	Evaluate Using the Given Value	An, An=1300(1-((1+0.04)^-30)/0.04)
18569	Evaluate Using the Given Value	Ax+hy=j , forx	$A x + h y = j$ , forx
18570	Evaluate Using the Given Value	f(0)=100	$f (0) = 100$
18571	Evaluate Using the Given Value	f(0)=15	$f (0) = 15$
18572	Evaluate Using the Given Value	f(1)=3-(1)^3	$f (1) = 3 - {(1)}^{3}$
18573	Evaluate Using the Given Value	f(1.2)=1.1 , f(2)=2 , f(4)=4+4.2*1.3/6	$f (1.2) = 1.1$ , $f (2) = 2$ , $f (4) = 4 + 4.2 \cdot \frac{1.3}{6}$
18574	Evaluate Using the Given Value	f(1000)=1000^3	$f (1000) = 1000^{3}$
18575	Evaluate Using the Given Value	f(15)=10000e^(-0.2*15)	$f (15) = 10000 e^{- 0.2 \cdot 15}$
18576	Evaluate Using the Given Value	f(15)=15(75-2*5)	$f (15) = 15 (75 - 2 \cdot 5)$
18577	Evaluate Using the Given Value	f(2)=16/2	$f (2) = \frac{16}{2}$
18578	Evaluate Using the Given Value	f(2.7)=8	$f (2.7) = 8$
18579	Evaluate Using the Given Value	f(22)=2560-60*22	$f (22) = 2560 - 60 \cdot 22$
18580	Evaluate Using the Given Value	f(23)=1700e^(-0.18*23)	$f (23) = 1700 e^{- 0.18 \cdot 23}$
18581	Evaluate Using the Given Value	f(28)=5 square root of 28	$f (28) = 5 \sqrt{28}$
18582	Evaluate Using the Given Value	f(3)+f(7)=x^2+2x	$f (3) + f (7) = x^{2} + 2 x$
18583	Evaluate Using the Given Value	f(-3)=8-53	$f (- 3) = 8 - 53$
18584	Evaluate Using the Given Value	f(3.5)=\|3.5^2-9*3.5+7\|	$f (3.5) = \| {3.5}^{2} - 9 \cdot 3.5 + 7 \|$
18585	Evaluate Using the Given Value	f(33)=3+4	$f (33) = 3 + 4$
18586	Evaluate Using the Given Value	f(5)=(5)^2-2	$f (5) = {(5)}^{2} - 2$
18587	Evaluate Using the Given Value	f(5)=5(75-2*5)	$f (5) = 5 (75 - 2 \cdot 5)$
18588	Evaluate Using the Given Value	f(5 square root of 2)=7(5 square root of 2)	$f (5 \sqrt{2}) = 7 (5 \sqrt{2})$
18589	Evaluate Using the Given Value	f(-6)=24/-6	$f (- 6) = \frac{24}{- 6}$
18590	Evaluate Using the Given Value	f(8)=111.7e	$f (8) = 111.7 e$
18591	Evaluate Using the Given Value	f(8)=15	$f (8) = 15$
18592	Evaluate Using the Given Value	f(8)=-4-8	$f (8) = - 4 - 8$
18593	Evaluate Using the Given Value	f(8)=8-1/(8^2)	$f (8) = 8 - \frac{1}{8^{2}}$
18594	Evaluate Using the Given Value	m=-2/3 , 8	$m = - \frac{2}{3}$ , $8$
18595	Evaluate Using the Given Value	m=6 , 9	$m = 6$ , $9$
18596	Evaluate Using the Given Value	p=34 , 200 , r=6.25% , t=163/365	$p = 34$ , $200$ , $r = 6.25 %$ , $t = \frac{163}{365}$
18597	Evaluate Using the Given Value	p=b*r , b=168 , 0 , r=0.06	$p = b \cdot r$ , $b = 168$ , $0$ , $r = 0.06$
18598	Evaluate Using the Given Value	pmt=80 , (0(0.06))/((1.06)^17-1)	$p m t = 80$ , $\frac{0 (0.06)}{{(1.06)}^{17} - 1}$
18599	Evaluate Using the Given Value	x+y+z=3121 , 10x+20y+30z=59250 , 234(20y)+10x	$x + y + z = 3121$ , $10 x + 20 y + 30 z = 59250$ , $234 (20 y) + 10 x$
18600	Evaluate Using the Given Value	x+y=14 , 4x-y+11	$x + y = 14$ , $4 x - y + 11$