I need to factor this out
remember revese distributeiveab+ac=a(b+c)factor out(a^2)(x+3)+(-4)(x+3)undistribute (like rreverse distribute where (x+3)=a)(a^2-4)(x+3)we can stil factor a^2-4 into a^2-2^2=(a-2)(a+2)(a-2)(a+2)(x+3)
