Sagot :
Answer:
Subtraction of Polynomials
- Always remember that when subtracting polynomials change all the signs in the subtrahend then add.
100x³ - 5x + 3 - Minuend
- 80x³ - 2x² + 9 - Subtrahend
Align the like terms. Then change the signs of the subtrahend.
100x³ - 5x + 3
+ -80x³ + 2x² - 9
20x³ + 2x² - 5x - 6
Final Answer: 20x³ + 2x² - 5x - 6 pesos is the money left in my pocket.
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