Question

How do you multiply `(2x-3)/(25x^2-1)*(15x^2-7x-2)/(6x^2-13x+6)`?

Answer 1

Multiplying functions is easy: you just mutiply numerator by numerator and denominator by denominator.

This way: `(30x^3-14x^2-4x-45x^2+21x+6)/(150x^4-325x^3+150x^2-6x^2+13x-6)`

Just sum the elements with the same exponent:

`(30x^3-59x^2+17x+6)/(150x^4-325x^3+144x^2+13x-6)`