use variable substitution and factoring

use variable substitution and factoring to find all of the roots of each equation.x^4-9x^2+18=0 how do you do this??
1. 11 answers
2. asked by Lauren
3. 527 views
z^5-28z^3+27z=0 How do you use variable substitution and factoring to find all of the roots of this equation? I know how to do
1. 1 answer
2. asked by Tatiana
3. 555 views
We're doing indefinite integrals using the substitution rule right now in class.The problem: (integral of)
1. 3 answers
2. asked by Joshua
3. 772 views
Solve by factoring.n^2+n-12=0 I know i would need to factor it and then use the zero product property, but there is a variable
1. 1 answer
2. asked by INeedHelp
3. 571 views
is this right:linear equations can be solved by using both elimination and substitution. But one is easier than the other.
1. 1 answer
2. asked by trippie
3. 68 views
Which of the columns represent nominal or ordinal variables?The variable Rank is . The variable Book is . The variable Author(s)
1. 1 answer
2. 33 views
Suppose you are given the system of equations{x=y-2, 5x+6y=15 a. Which variable would you replace in the substitution
1. 1 answer
2. 48 views
Suppose you are given the system of equations{ y=x-4, 6x+5y=12 a. Which variable would you replace in the substitution
1. 1 answer
2. 56 views
Suppose you are given the system of equations x = y - 4 8x + 7y = 14. a. Which variable would you replace in the substitution
1. 5 answers
2. 50 views
I'm stuck on this one:factoring polynomials from algebraic expressions (and it says you can use the substitution method):
1. 1 answer
2. asked by dan
3. 546 views