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Sagot :
To simplify the expression [tex]\( -(2a - 1) \)[/tex], follow these steps:
1. Distribute the negative sign through the expression inside the parentheses.
2. Apply the distribution to both terms within the parentheses:
[tex]\[ -(2a - 1) = -1 \cdot 2a + (-1) \cdot (-1) \][/tex]
3. Calculate the products:
[tex]\[ -1 \cdot 2a = -2a \quad \text{and} \quad (-1) \cdot (-1) = 1 \][/tex]
4. Combine the resulting terms:
[tex]\[ -2a + 1 \][/tex]
So, the simplified form of the expression [tex]\( -(2a - 1) \)[/tex] is:
[tex]\[ 1 - 2a \][/tex]
1. Distribute the negative sign through the expression inside the parentheses.
2. Apply the distribution to both terms within the parentheses:
[tex]\[ -(2a - 1) = -1 \cdot 2a + (-1) \cdot (-1) \][/tex]
3. Calculate the products:
[tex]\[ -1 \cdot 2a = -2a \quad \text{and} \quad (-1) \cdot (-1) = 1 \][/tex]
4. Combine the resulting terms:
[tex]\[ -2a + 1 \][/tex]
So, the simplified form of the expression [tex]\( -(2a - 1) \)[/tex] is:
[tex]\[ 1 - 2a \][/tex]
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