In Algebra, the conjugate is where you

Examples:

• from 3x + 1 to 3x − 1

• from 2z − 7 to 2z + 7

• from a − b to a + b

**change the sign**(+ to −, or − to +) in the middle of two terms.Examples:

• from 3x + 1 to 3x − 1

• from 2z − 7 to 2z + 7

• from a − b to a + b

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