Answer:
u put the algebraic like terms together whether they add or subtract each other
We can cosider this to be a difference of 2 squares so
4x^4 - 9x^2 = (2x^2 - 3x)(2x^2 + 3x) so D is one answer
also we could take x^2 out and get
x^2(4x^2 - 9) = C
Answer:
36
Step-by-step explanation:
6 squared