(3) The sum of polynomials ab + ac and ab – ac is __________ (2ab, ac, 2ac, ab)
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Answered by
7
Answer:
2ab
Step-by-step explanation:
ab+ac+ab-ac
=ab+ab
=2ab
Answered by
2
Answer:
Sum of a - b + ab, b+c-bc and c-a-ac = (a − b + ab) + (b − c − bc) + (c − a − ac) = a - b + ab +b+c-bc+c-a - ac Rearranging and collecting like terms, =a-a-b+b+c+c+ab - bc - ac
2c + abac - bc
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