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Sagot :
Answer:
-x² - x + 2
Step-by-step explanation:
We are given the following expression:
(2x-3) + (2x²- 3x) – (3x²- 5).
To simplify, we first need to remove the parenthesis. If there is a negative sign before the parenthesis, we change the signal of everything that is inside(+ goes to -, - goes to +). So
(2x-3) + (2x²- 3x) – (3x²- 5) = 2x - 3 + 2x² - 3x - 3x² + 5
Now we need to combine the like terms:
With x²: 2x² - 3x² = -x²
With x: 2x - 3x = -x
Independent: -3 + 5 = 2
Now adding these terms, we get the simplified expression, which is:
-x² - x + 2
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