Question 251073
4x^3-2x^2+6-4x^3+5x^2-12 FIRST YOU GROUP LIKE TERMS.
4X^3-4X^3-2X^2+5X^2+6-12 NOW COMBINE LIKE TERMS.
0+3X^2-6 NOW FACTOR OUT THE COMMON TERM (3)
3(X^2-2) ANS.