Jneen

I can answer 3x^2+2x-4x^2-9+6x-2x^2+8 first you want to combined all the squared problems whch is : 3x^2 -4x^2-2x^2 Since two negatives make a positive : 3x^2-4x^2 =7x^2 now subtract -2x^2 and that leaves for 5x^2 Now you combine all the numbers with vari...