Mathway | Popular Problems

Popular Problems

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Rank	Topic	Problem	Formatted Problem
50201	Find the Inverse	3n-15	$3 n - 15$
50202	Simplify	(x-6)(x+5)	$(x - 6) (x + 5)$
50203	Simplify	(x-1)(x+2)(x-3)	$(x - 1) (x + 2) (x - 3)$
50204	Find the Inverse	12x-4	$12 x - 4$
50205	Simplify	(x-1)(x-6)	$(x - 1) (x - 6)$
50206	Simplify	(x-1)(x-3i)(x+3i)	$(x - 1) (x - 3 i) (x + 3 i)$
50207	Find the Inverse	2 square root of x+8	$2 \sqrt{x + 8}$
50208	Simplify	(x-2)(x-8)	$(x - 2) (x - 8)$
50209	Find the Inverse	-2x^3-6	$- 2 x^{3} - 6$
50210	Simplify	(x-2)+2	$(x - 2) + 2$
50211	Find the Inverse	3(x/2)-4	$3 (\frac{x}{2}) - 4$
50212	Simplify	(x-4)(x^2-2x-3)	$(x - 4) (x^{2} - 2 x - 3)$
50213	Find the Inverse	3 square root of 7x	$3 \sqrt{7 x}$
50214	Simplify	((x^3)/(x^-1))^(-1/4)	${(\frac{x^{3}}{x^{- 1}})}^{- \frac{1}{4}}$
50215	Find the Inverse	2e^(2x+1)	$2 e^{2 x + 1}$
50216	Simplify	(x^3y^2)^3	${(x^{3} y^{2})}^{3}$
50217	Simplify	(x^7)^6	${(x^{7})}^{6}$
50218	Find the Inverse	f(x)=3x^2+5 , x>=0	$f (x) = 3 x^{2} + 5$ , $x \geq 0$
50219	Find the Inverse	f(x)=1/9x^2+2 , x>=0	$f (x) = \frac{1}{9} x^{2} + 2$ , $x \geq 0$
50220	Find the Inverse	7x-13	$7 x - 13$
50221	Simplify	(y^5)^4	${(y^{5})}^{4}$
50222	Simplify	(b^2)^3	${(b^{2})}^{3}$
50223	Find the Inverse	9x^3+2	$9 x^{3} + 2$
50224	Simplify	(x^(2/3))^4	${(x^{\frac{2}{3}})}^{4}$
50225	Simplify	(x^(1/3))^-3	${(x^{\frac{1}{3}})}^{- 3}$
50226	Find the Inverse	8x^3-6	$8 x^{3} - 6$
50227	Simplify	-(27/(64y^6))^(2/3)	$- {(\frac{27}{64 y^{6}})}^{\frac{2}{3}}$
50228	Find the Inverse	-8x+1	$- 8 x + 1$
50229	Simplify	(a^2b^3)^4	${(a^{2} b^{3})}^{4}$
50230	Simplify	(-4/x)^3	${(- \frac{4}{x})}^{3}$
50231	Find the LCD	y^2-9 , 2y+6 , y	$y^{2} - 9$ , $2 y + 6$ , $y$
50232	Simplify	(2e^(3x))^3	${(2 e^{3 x})}^{3}$
50233	Simplify	(10x)^-3	${(10 x)}^{- 3}$
50234	Find the LCD	k^2+8k , k^2+6k-16	$k^{2} + 8 k$ , $k^{2} + 6 k - 16$
50235	Simplify	(2x^4)^4	${(2 x^{4})}^{4}$
50236	Find the LCD	(y^4)/(y^2-2y+1) , -8/(y^2-6y+5)	$\frac{y^{4}}{y^{2} - 2 y + 1}$ , $\frac{- 8}{y^{2} - 6 y + 5}$
50237	Simplify	(-2x^4y^3)^3	${(- 2 x^{4} y^{3})}^{3}$
50238	Simplify	(2x^4y^4)^3	${(2 x^{4} y^{4})}^{3}$
50239	Find the LCD	-2/(7z) , 14/(2z)	$\frac{- 2}{7 z}$ , $\frac{14}{2 z}$
50240	Simplify	(2x^4y)^3	${(2 x^{4} y)}^{3}$
50241	Simplify	(2x^3)^5	${(2 x^{3})}^{5}$
50242	Find the LCD	-3/(2z) , 6/(3z)	$\frac{- 3}{2 z}$ , $\frac{6}{3 z}$
50243	Simplify	(2x^3y^-3)^-2	${(2 x^{3} y^{- 3})}^{- 2}$
50244	Find the LCD	(2x)/(x+1) , 3/(x^2-1)	$\frac{2 x}{x + 1}$ , $\frac{3}{x^{2} - 1}$
50245	Simplify	(2x^2y^3)^4	${(2 x^{2} y^{3})}^{4}$
50246	Find the LCD	3/((x-2)+x) , (3x)/(4x-(x-4)) , (6 square root of 2)/(x-(3x+1))	$\frac{3}{(x - 2) + x}$ , $\frac{3 x}{4 x - (x - 4)}$ , $\frac{6 \sqrt{2}}{x - (3 x + 1)}$
50247	Find the LCD	-3/(7x) , 21/(3x)	$\frac{- 3}{7 x}$ , $\frac{21}{3 x}$
50248	Simplify	( square root of 6)/2	$\frac{\sqrt{6}}{2}$
50249	Find the LCD	3/(w-7) ; 7/(7-w)	$\frac{3}{w - 7}$ ; $\frac{7}{7 - w}$
50250	Solve for x	-3x+1+10x=x+4	$- 3 x + 1 + 10 x = x + 4$
50251	Find the LCD	4/(a^2b^3) , 3/(9ab^4)	$\frac{4}{a^{2} b^{3}}$ , $\frac{3}{9 a b^{4}}$
50252	Solve for x	1.5(x+4)-3=4.5(x-2)	$1.5 (x + 4) - 3 = 4.5 (x - 2)$
50253	Solve for x	x^2-11x+10=0	$x^{2} - 11 x + 10 = 0$
50254	Solve for x	x^2-10=0	$x^{2} - 10 = 0$
50255	Find the LCD	7/(n^2-8n+16) , n/(n^2-16)	$\frac{7}{n^{2} - 8 n + 16}$ , $\frac{n}{n^{2} - 16}$
50256	Solve for x	x^2-10x-4=0	$x^{2} - 10 x - 4 = 0$
50257	Find the x and y Intercepts	y=4	$y = 4$
50258	Find the LCD	x/(x^2-9) , 5/x , 7/(18-6x)	$\frac{x}{x^{2} - 9}$ , $\frac{5}{x}$ , $\frac{7}{18 - 6 x}$
50259	Find the LCD	x/(x^2-9) , 5/x , 3/(12-4x)	$\frac{x}{x^{2} - 9}$ , $\frac{5}{x}$ , $\frac{3}{12 - 4 x}$
50260	Find the LCD	x/(x^2-9) , 5/x , 4/(15-5x)	$\frac{x}{x^{2} - 9}$ , $\frac{5}{x}$ , $\frac{4}{15 - 5 x}$
50261	Solve for x	x^2-6x+6=0	$x^{2} - 6 x + 6 = 0$
50262	Solve for x	x^2+x-3=0	$x^{2} + x - 3 = 0$
50263	Solve for x	x^2+8x=0	$x^{2} + 8 x = 0$
50264	Solve for y	y+3=-y+9	$y + 3 = - y + 9$
50265	Solve for x	x^2+4x-2=0	$x^{2} + 4 x - 2 = 0$
50266	Solve for x	x^2+4x=5	$x^{2} + 4 x = 5$
50267	Find the LCD	-8/(y^2) ; 3/(6y)	$\frac{- 8}{y^{2}}$ ; $\frac{3}{6 y}$
50268	Solve for x	x^2+16x+64=0	$x^{2} + 16 x + 64 = 0$
50269	Find the LCD	8/(x^2-9x-22) , -2/(x^2+2x)	$\frac{8}{x^{2} - 9 x - 22}$ , $\frac{- 2}{x^{2} + 2 x}$
50270	Solve for n	n/9<n/2-1/3	$\frac{n}{9} < \frac{n}{2} - \frac{1}{3}$
50271	Find the LCD	9/(x+8) , 7/(x-8)	$\frac{9}{x + 8}$ , $\frac{7}{x - 8}$
50272	Find the LCD	(9x)/(2x^2-7x+5) , 5/(2x^2-9x+10)	$\frac{9 x}{2 x^{2} - 7 x + 5}$ , $\frac{5}{2 x^{2} - 9 x + 10}$
50273	Find the LCD	-7/(3y) , 21/(7y)	$\frac{- 7}{3 y}$ , $\frac{21}{7 y}$
50274	Find the LCD	(4k)/(k^2-9) , 2/(k-3)	$\frac{4 k}{k^{2} - 9}$ , $\frac{2}{k - 3}$
50275	Solve for x	3x^2-7x+2=0	$3 x^{2} - 7 x + 2 = 0$
50276	Find the LCD	5/6 , 3/8	$\frac{5}{6}$ , $\frac{3}{8}$
50277	Find the LCD	5/(4x+4) , 7/(2x)	$\frac{5}{4 x + 4}$ , $\frac{7}{2 x}$
50278	Simplify	6^3-4^3-7^2	$6^{3} - 4^{3} - 7^{2}$
50279	Find the LCD	1/(x^2-64) , (x+3)/(5x^3-40x^2)	$\frac{1}{x^{2} - 64}$ , $\frac{x + 3}{5 x^{3} - 40 x^{2}}$
50280	Factor	f(x)=6x^3-13x^2-4x+15	$f (x) = 6 x^{3} - 13 x^{2} - 4 x + 15$
50281	Find the LCD	1/49 , 1/14 , 1/2	$\frac{1}{49}$ , $\frac{1}{14}$ , $\frac{1}{2}$
50282	Simplify	(2a^x+1/2b^x)^2	${(2 a^{x} + \frac{1}{2} b^{x})}^{2}$
50283	Find the LCD	1/(4x+16) , 1/(16x+64)	$\frac{1}{4 x + 16}$ , $\frac{1}{16 x + 64}$
50284	Solve for x	2x^2=72	$2 x^{2} = 72$
50285	Find the LCD	1/(4x+20) , 7/(8x)	$\frac{1}{4 x + 20}$ , $\frac{7}{8 x}$
50286	Find the LCD	1/6 , 1/4 , 1/3	$\frac{1}{6}$ , $\frac{1}{4}$ , $\frac{1}{3}$
50287	Solve for x	2x^2+10x=0	$2 x^{2} + 10 x = 0$
50288	Find the LCD	1/4 , 1/14 , 1/7	$\frac{1}{4}$ , $\frac{1}{14}$ , $\frac{1}{7}$
50289	Solve for x	4x^2+20x+25=0	$4 x^{2} + 20 x + 25 = 0$
50290	Find the LCD	10/(x-8) , 11/(8-x)	$\frac{10}{x - 8}$ , $\frac{11}{8 - x}$
50291	Simplify	3/( square root of 3)	$\frac{3}{\sqrt{3}}$
50292	Find the LCD	-11/12 , 13/18	$\frac{- 11}{12}$ , $\frac{13}{18}$
50293	Simplify	square root of 221	$\sqrt{221}$
50294	Find the LCD	1/(x-3) , 8/(x+3)	$\frac{1}{x - 3}$ , $\frac{8}{x + 3}$
50295	Solve for x	(x-3)(x+5)<=0	$(x - 3) (x + 5) \leq 0$
50296	Solve for x	25 sixth root of 25=5^x	$25 \sqrt[6]{25} = 5^{x}$
50297	Find the LCD	10/x , 4/(9x+1)	$\frac{10}{x}$ , $\frac{4}{9 x + 1}$
50298	Find the LCD	1/25 , 1/10 , 1/2	$\frac{1}{25}$ , $\frac{1}{10}$ , $\frac{1}{2}$
50299	Find the Roots (Zeros)	f(x)=x^2-4x+3	$f (x) = x^{2} - 4 x + 3$
50300	Find the LCD	1/((x+1)^2) , 1/((x-1)^2) , 2/(x^2-1)	$\frac{1}{{(x + 1)}^{2}}$ , $\frac{1}{{(x - 1)}^{2}}$ , $\frac{2}{x^{2} - 1}$