Factor ab-a. ab−a a b - a. Step 1. Factor a a out of ab a b . a(b)−a a ( b ) - a. Step 2. Factor a a out of −a - a . a(b)+a⋅−1 a ( b ) + a ⋅ - 1. Step 3. Factor ...

Oct 16, 2013 · Well, note that A and AB have a common factor--namely A--and factoring it out, we have A+AB=A(1+B)=A(1)=A.

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Jan 1, 2018 · The notation is not clear, but I'm guessing you mean: “Why is ¯A+AB=¯A+B A ¯ + A B = A ¯ + B ?” where we are talking about Boolean algebra.

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Jul 14, 2023 · If a and b have the same sign, ab will always return same value no matter what sign of a and b, |a||b| is just ab where both a and b is the positive case.

Jan 22, 2022 · Yes, this is true. It is a consequence of the triangle inequality: |x| + |b| ≥ |x + b|. |x| ≥ |x + b| − |b|. |a −b| ≥ |a − b + b| − |b|.

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