SOLUTION: Lesson topic-Factoring differences of squares Question-Solve equation by factoring. 36x-16x^3= 9x^2-4x^4 .. i know you have to put it in descending form : 36x-16x^3-9x^2+36x then

Algebra ->  Square-cubic-other-roots -> SOLUTION: Lesson topic-Factoring differences of squares Question-Solve equation by factoring. 36x-16x^3= 9x^2-4x^4 .. i know you have to put it in descending form : 36x-16x^3-9x^2+36x then       Log On


   

Question 575965: Lesson topic-Factoring differences of squares Question-Solve equation by factoring. 36x-16x^3= 9x^2-4x^4 .. i know you have to put it in descending form : 36x-16x^3-9x^2+36x then you find the GCF:x(4x^3-16x^2)(-9x+36) then what?? pleaseeeee with cherry on top help!
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!




Add to both sides:



Group and factor out the GCF from each group:



Note that the two quadratic binomials are equal, so:



Factor the difference of two squares:



Factor the GCF out of the quadratic binomial:



Finally apply the Zero Product Rule to solve for each of the four expected roots.

John

My calculator said it, I believe it, that settles it
The Out Campaign: Scarlet Letter of Atheism