Answer:
a(b + c - d)
Explanation:
'a' is common to all three terms of the given expression. Thus, the expression in factored form is a(b + c - d).
a(b+c-d)
Each term has a factor of "a", so that can be factored out. The remaining factor cannot be factored any further.
ab +ac -ad = a(b +c -d)
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