answersLogoWhite

0


Best Answer

n2 = 20 + n

so n2 - n - 20 = 0

that is (n - 5)(n + 4) = 0

so that n - 5 = 0 or n + 4 = 0

n = 5 or n = -4

User Avatar

Wiki User

โˆ™ 2012-01-09 10:20:14
This answer is:
๐Ÿ™
0
๐Ÿคจ
0
๐Ÿ˜ฎ
0
User Avatar
Study guides

Algebra

20 cards

A polynomial of degree zero is a constant term

The grouping method of factoring can still be used when only some of the terms share a common factor A True B False

The sum or difference of p and q is the of the x-term in the trinomial

A number a power of a variable or a product of the two is a monomial while a polynomial is the of monomials

โžก๏ธ
See all cards
3.7
โ˜†โ˜…โ˜†โ˜…โ˜†โ˜…โ˜†โ˜…โ˜†โ˜…
323 Reviews

Add your answer:

Earn +20 pts
Q: How do you solve n2 equals 20 plus n by factoring?
Write your answer...
Submit
Related questions

How do you solve math problem18 equals -a plus 2?

20


Solve x plus 5y equals 20 for y?

(20 - x)/5


50 plus what equals 180?

To solve this one, subtract 50 from 180 and you'll have your answer.


How do you solve x plus 13 over 20?

To solve for x, we'd have to know what this expression equals.


How do you solve 8x 21 equals 181?

If: 21 is a plus Then : x = 20


What numbers equals 20 and what times what is 20?

1 plus 19 equals 20 2 plus 18 equals 20 3 plus 17 equals 20 4 plus 16 equals 20 5 plus 15 equals 20 6 plus 14 equals 20 7 plus 13 equals 20 8 plus 12 equals 20 9 plus 11 equals 20 10 plus 10 equals 20 1 times 20 equals 20 2 times 10 equals 20 4 times 5 equals 20


Solve by the method of elimination 2x plus 3y equals 40 3x plus 2y equals 20?

y=16 x= -4


Solve -7m plus 20 equals -17m-10?

-7m + 20 = -17m - 1010m = -30m = -3


How do you solve 8-3x equals the square root of 4xsquared plus the square root of 20 plus 8?

68


3x plus 5 equals 20 solve equation?

3x+5=20 3x=15 x=5


How do you solve negative 3x plus 5 equals 20?

-3x + 5 = 20 -3x = 15 x = -5


How do you solve the equation cos2x plus 20 equals negative half?

Better formatting is cos(2x+20)=-0.5


How do you solve 6y3 plus 8y2-15y-20 by factoring?

6y3 + 8y2 - 15y - 20 is an expression, not an equation (or inequality). An expression cannot be solved.The expression factorises to (3y + 4)*(2y2 - 5)


What is 20 plus 20?

20 plus 20 equals 4020 plus 20 = 40


20 plus 20 plus 20 equals 60?

Yes.


How do you solve 3X plus 6 equals x plus 20?

balance the equation 3x-x=20-6 3x-x=2x 20-6=14 2x=14 x=7


Factoring trinomial for 6x2 -23x plus 20?

(2x - 5)(3x - 4)


How do you solve 3x2 plus 20 equals 0?

3x^2=-20 so x^2=-20/3 this has no real roots but the plus of minus i(square root of 20/3) is a solution if we allow complex numbers.


How do you solve this 4m plus 15 equals 8m-5?

4m+15=8m-5 or,4m=20 or,m=5


How do you solve 20 percent of 20?

divide 20 by 10 which equals 2 the times 2 by 2 which equals 4


How do i Solve 7x equals 20 plus 20x?

7x=20+20x collect terms containg x on one side and then factorize -13x=20 0r, x=-20/13


How do you solve 5x plus 1 equals 20?

5x+1=20 5x=20-1 5x=19 5x/5=19/5 x=19/5


How do you solve 3w plus 4 equals 24?

3w + 4 = 24 .......- 4... - 4 .......3w = 20 .......÷3 ...÷3 .........w = 20/3 or 6.6667


What is 15 plus 20 plus 20 plus 20 plus 35 plus 30 plus 35 plus 30 equals?

205


Is 20 plus 20 equals 40?

Of course!