Addition and subtraction of polynomials
Algebraic expressions · Mathematics
Study notes
Q: Compute (5x^3 - 2x + 1) - (2x^3 + 3x - 4). Step 1: Flip signs of second polynomial: -2x^3 - 3x + 4. Step 2: Add: (5x^3 - 2x^3) + (-2x - 3x) + (1 + 4). Step 3: = 3x^3 - 5x + 5.