BTSARMY7ANPANMANIN BTSARMY7ANPANMANIN Math Answered Subtract 4x³− x²+ 1 from 7x³ + 2x −3. a. −3x3−x2+2x−4 b. 3x3+x2+2x−4 c. 3x3−x2+2x+4 d. 3x3−x2−2x−4 Pahelp po please