SOLUTION: factor 10x^2-15X^3-20X^4 ax^2n-a

Question 77978This question is from textbook
: factor
10x^2-15X^3-20X^4

ax^2n-a This question is from textbook

Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!

Rearrange in descending order

Factor out the GCF of .

Now lets factor the polynomial in the parenthesis (I factored out a negative 1 also):

ERROR Algebra::Solver::Engine::invoke_solver_noengine: solver not defined for name 'quadratic_factoring'.

Error occurred executing solver 'quadratic_factoring' .

This means that we cannot reduce any further
So the polynomial factors to

Factor out the GCF of a.
Factor using difference of squares. Notice if we foil we get

So the expression factors to

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