Simplify problem

Question

Simplify. (4x^2−5)(3x^2+7) Enter the expression in simplest form.

Answer 1

Use FOIL to do the multiplication

 

(4x^2 - 5)(3x^2 + 7) = 12x^4 + 28x^2 - 15x^2 - 35

 

Combine like terms to simplify

 

12x^4 + 13x^2 - 35