Question

How do you factor `39x^5+13x^3-78x^2`?

Answer 1

`13x^2(3x^3+x-6)`

Explanation:

Consider the `color(blue)"common factors"` of the expression.

13 is a factor of all 3 coefficients and `x^2` is common to all 3 terms.

`rArr color(blue)"common factor" =color(red)(13x^2)`

`rArrcolor(red)(13x^2)(3x^3+x-6)" is factored form"`