Thread: Finding the zeros of a function (algebriacally)

f(x) = (-x^2)(e^-x) + 2xe^-x

finding the zeros of this darn function, help please

Originally Posted by danielh9103

f(x) = (-x^2)(e^-x) + 2xe^-x

finding the zeros of this darn function, help please

That's the purpose of factoring, writing an expression as a product.

Fact: Zero multiplied by anything is zero because any amount of zeros is zero.

So, can we factor that ?

Yes, there is a common factor and another



Now you can see which values of x causes that to be zero.