Mathway | Popular Problems

Popular Problems

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Rank	Topic	Problem	Formatted Problem
16301	Solve for x	x^2+9x+20=0	$x^{2} + 9 x + 20 = 0$
16302	Plot	2x>3y+4	$2 x > 3 y + 4$
16303	Simplify	5/( square root of 11- square root of 3)	$\frac{5}{\sqrt{11} - \sqrt{3}}$
16304	Plot	75<69-x	$75 < 69 - x$
16305	Simplify	(2-4i)(2-i)	$(2 - 4 i) (2 - i)$
16306	Simplify	(2x-5)(x+3)	$(2 x - 5) (x + 3)$
16307	Determine if Injective (One to One)	f(x)=x^6-x^2	$f (x) = x^{6} - x^{2}$
16308	Determine if Injective (One to One)	f(x)=8x^2-9	$f (x) = 8 x^{2} - 9$
16309	Simplify	x^2+2x+4	$x^{2} + 2 x + 4$
16310	Determine if Injective (One to One)	f(x)=2.6^x	$f (x) = {2.6}^{x}$
16311	Simplify	cube root of x* fourth root of x	$\sqrt[3]{x} \cdot \sqrt[4]{x}$
16312	Determine if Injective (One to One)	f(x)=2x^3+6	$f (x) = 2 x^{3} + 6$
16313	Simplify	(x^7)/(x^3)	$\frac{x^{7}}{x^{3}}$
16314	Determine if Injective (One to One)	p(x)=11x^2	$p (x) = 11 x^{2}$
16315	Simplify	cube root of 16x^4- cube root of 54x	$\sqrt[3]{16 x^{4}} - \sqrt[3]{54 x}$
16316	Determine if Injective (One to One)	f(x) = cube root of 5x	$f (x) = \sqrt[3]{5 x}$
16317	Simplify	x/(x^2-16)-8/(x^2+5x+4)	$\frac{x}{x^{2} - 16} - \frac{8}{x^{2} + 5 x + 4}$
16318	Subtract the Matrices	[[4,9,-3],[5,-3,1]]-[[6,3,2],[0,3,5]]	$[\begin{array}{c} 4 & 9 & - 3 \\ 5 & - 3 & 1 \end{array}] - [\begin{array}{c} 6 & 3 & 2 \\ 0 & 3 & 5 \end{array}]$
16319	Simplify	(x^2-16)/(6x)*(7x)/(x+4)	$\frac{x^{2} - 16}{6 x} \cdot \frac{7 x}{x + 4}$
16320	Simplify	(q^2+11q+24)/(q^2-5q-24)	$\frac{q^{2} + 11 q + 24}{q^{2} - 5 q - 24}$
16321	Simplify	(7-4i)^2	${(7 - 4 i)}^{2}$
16322	Simplify	(-i)^6	${(- i)}^{6}$
16323	Find the Equation Using Two Points	(-6,5) , (-3,-3)	$(- 6, 5) (- 3, - 3)$
16324	Simplify	(5i)^3	${(5 i)}^{3}$
16325	Simplify	(4x-7)^2	${(4 x - 7)}^{2}$
16326	Simplify	(25u^2)^(5/2)	${(25 u^{2})}^{\frac{5}{2}}$
16327	Find the Parallel Line	(2,-7) y=x-2	$(2, - 7)$ $y = x - 2$
16328	Simplify	(-32y^15)^(1/5)	${(- 32 y^{15})}^{\frac{1}{5}}$
16329	Find Where Undefined/Discontinuous	f(x)=(x^2-196)/(x-14)	$f (x) = \frac{x^{2} - 196}{x - 14}$
16330	Simplify	(3a+1)^2	${(3 a + 1)}^{2}$
16331	Simplify	(3x^2-12)/(x^2-x-6)	$\frac{3 x^{2} - 12}{x^{2} - x - 6}$
16332	Find Where Undefined/Discontinuous	f(x)=(2x+4)/(x^2-x-2)	$f (x) = \frac{2 x + 4}{x^{2} - x - 2}$
16333	Simplify	i^74	$i^{74}$
16334	Find Where Undefined/Discontinuous	f(x)=(4x^2-4x-8)/(2x+2)	$f (x) = \frac{4 x^{2} - 4 x - 8}{2 x + 2}$
16335	Factor by Grouping	(3a^2-5ab+b^2)+(-3a^2+2b^2+8ab)	$(3 a^{2} - 5 a b + b^{2}) + (- 3 a^{2} + 2 b^{2} + 8 a b)$
16336	Simplify	(4(-x)^2-1)/((-x)^2)	$\frac{4 {(- x)}^{2} - 1}{{(- x)}^{2}}$
16337	Factor by Grouping	12m^2+11m+2	$12 m^{2} + 11 m + 2$
16338	Simplify	square root of 108x- square root of 48x	$\sqrt{108 x} - \sqrt{48 x}$
16339	Factor by Grouping	12x^2-13x-4	$12 x^{2} - 13 x - 4$
16340	Factor by Grouping	12x^2y-20x^2-18y+30	$12 x^{2} y - 20 x^{2} - 18 y + 30$
16341	Simplify	square root of 5a+2 square root of 80a-7 square root of 125a	$\sqrt{5 a} + 2 \sqrt{80 a} - 7 \sqrt{125 a}$
16342	Factor by Grouping	12x^3-20x^2+9x-15	$12 x^{3} - 20 x^{2} + 9 x - 15$
16343	Simplify	7.9(8.7w-7)+8	$7.9 (8.7 w - 7) + 8$
16344	Factor by Grouping	12x^3-8x^2+9x-6	$12 x^{3} - 8 x^{2} + 9 x - 6$
16345	Factor by Grouping	18-2a^2-27a+3a^3	$18 - 2 a^{2} - 27 a + 3 a^{3}$
16346	Simplify	-i*i	$- i \cdot i$
16347	Factor by Grouping	-18m^6-9m^4-36m^2	$- 18 m^{6} - 9 m^{4} - 36 m^{2}$
16348	Solve for m	9=-2m+2-3	$9 = - 2 m + 2 - 3$
16349	Factor by Grouping	18x^2y-63x^2-12y+42	$18 x^{2} y - 63 x^{2} - 12 y + 42$
16350	Solve for r	167<6+7(2-7r)	$167 < 6 + 7 (2 - 7 r)$
16351	Factor by Grouping	1-f+fy-y	$1 - f + f y - y$
16352	Simplify	4i^2	$4 i^{2}$
16353	Factor by Grouping	2(x+y)^2+(x+y)-6	$2 {(x + y)}^{2} + (x + y) - 6$
16354	Simplify	-4a^2(3a^2-4a+3)	$- 4 a^{2} (3 a^{2} - 4 a + 3)$
16355	Factor by Grouping	2ax+5a-8x-20	$2 a x + 5 a - 8 x - 20$
16356	Factor by Grouping	2m-15p-3mp+10	$2 m - 15 p - 3 m p + 10$
16357	Simplify	6+7i	$6 + 7 i$
16358	Factor by Grouping	2u^2+11u+5	$2 u^{2} + 11 u + 5$
16359	Simplify	3x(x+2)	$3 x (x + 2)$
16360	Factor by Grouping	2u^3+3u^2+14u+21	$2 u^{3} + 3 u^{2} + 14 u + 21$
16361	Simplify	25x^2	$25 x^{2}$
16362	Factor by Grouping	2u^3+7u^2+10u+35	$2 u^{3} + 7 u^{2} + 10 u + 35$
16363	Simplify	2(x+h)^2	$2 {(x + h)}^{2}$
16364	Factor by Grouping	2u^3-7u^2-10u+35	$2 u^{3} - 7 u^{2} - 10 u + 35$
16365	Solve for x	\|x\|>9	$\| x \| > 9$
16366	Factor by Grouping	2v^3+3v^2+4v+6	$2 v^{3} + 3 v^{2} + 4 v + 6$
16367	Factor by Grouping	2w^3+3w^2-4w-6	$2 w^{3} + 3 w^{2} - 4 w - 6$
16368	Factor by Grouping	2w^3+5w^2+14w+35	$2 w^{3} + 5 w^{2} + 14 w + 35$
16369	Solve for x	-5x-7<28	$- 5 x - 7 < 28$
16370	Factor by Grouping	2w^3-3w^2-10w+15	$2 w^{3} - 3 w^{2} - 10 w + 15$
16371	Solve for x	-7x+7=-56	$- 7 x + 7 = - 56$
16372	Factor by Grouping	2x^2-14xy-5x+35y	$2 x^{2} - 14 x y - 5 x + 35 y$
16373	Solve for x	-2x<10	$- 2 x < 10$
16374	Solve for x	-3x=9	$- 3 x = 9$
16375	Factor by Grouping	2x^3+5x^2-14x-35	$2 x^{3} + 5 x^{2} - 14 x - 35$
16376	Solve for x	-4x=28	$- 4 x = 28$
16377	Factor by Grouping	2x^3+7x^2+12x+42	$2 x^{3} + 7 x^{2} + 12 x + 42$
16378	Factor by Grouping	2x^3+7x^2+6x+21	$2 x^{3} + 7 x^{2} + 6 x + 21$
16379	Factor by Grouping	2x^3-3x^2-14x+21	$2 x^{3} - 3 x^{2} - 14 x + 21$
16380	Simplify	square root of 50/x	$\sqrt{\frac{50}{x}}$
16381	Factor by Grouping	2x+4+xy+2y	$2 x + 4 + x y + 2 y$
16382	Simplify	square root of 1/25	$\sqrt{\frac{1}{25}}$
16383	Factor by Grouping	2y^3+3y^2-14y-21	$2 y^{3} + 3 y^{2} - 14 y - 21$
16384	Simplify	square root of (y^6)/16	$\sqrt{\frac{y^{6}}{16}}$
16385	Factor by Grouping	2y^3+7y^2-10y-35	$2 y^{3} + 7 y^{2} - 10 y - 35$
16386	Simplify	square root of 1/16	$\sqrt{\frac{1}{16}}$
16387	Factor by Grouping	36x^2-48x+7	$36 x^{2} - 48 x + 7$
16388	Simplify	square root of 136	$\sqrt{136}$
16389	Factor by Grouping	3ab(x+1)-2(x+1)	$3 a b (x + 1) - 2 (x + 1)$
16390	Simplify	square root of -14	$\sqrt{- 14}$
16391	Factor by Grouping	3mn+2m+12n+8	$3 m n + 2 m + 12 n + 8$
16392	Simplify	square root of 18x	$\sqrt{18 x}$
16393	Factor by Grouping	3v^3+2v^2+21v+14	$3 v^{3} + 2 v^{2} + 21 v + 14$
16394	Simplify	square root of -169	$\sqrt{- 169}$
16395	Factor by Grouping	3w^3+7w^2+9w+21	$3 w^{3} + 7 w^{2} + 9 w + 21$
16396	Simplify	square root of -108	$\sqrt{- 108}$
16397	Factor by Grouping	3x(x+2)+4(x+2)	$3 x (x + 2) + 4 (x + 2)$
16398	Simplify	square root of 240	$\sqrt{240}$
16399	Factor by Grouping	3x^2+6x-x-2	$3 x^{2} + 6 x - x - 2$
16400	Factor by Grouping	3x^2+9x+4x+12	$3 x^{2} + 9 x + 4 x + 12$