Question

5x²-10x+9-2x²+14x-20​

Answer 1

Ответ:

3x²+4x-11

Надеюсь помог

Answer 2

To simplify the expression 5x² - 10x + 9 - 2x² + 14x - 20, we can combine like terms:

Combining the x² terms: 5x² - 2x² = 3x² Combining the x terms: -10x + 14x = 4x Combining the constant terms: 9 - 20 = -11

Putting it all together, the simplified expression is:

3x² + 4x - 11