(3a2 – 5ab + b2) + (–3a2 + 2b2 + 8ab) Which of the following shows the sum of the polynomials rewritten with like terms grouped together? [3a2 + (–3a2)] + (–5ab + 8ab) + (b2 + 2b2) [3a2 + (–3a2)] + (–5ab + 2b2) + (b2 + 8ab) [3a2 + 3a2] + (5ab + 8ab) + (b2 + 2b2) [3a2 + 3a2] + (5ab + 2b2) + (b2 + 8ab)

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Answer:

Answer is A on edg

Second question is B

Step-by-step explanation:

The choice which shows the sum of the polynomials rewritten with like terms grouped together is; [3a2 + (–3a2)] + (–5ab + 8ab) + (b2 + 2b2)

Grouping Like Algebraic terms

By observation, 3 categories of terms are common to both expressions whose sum is to be computed.

The expressions are;

  • (3a² – 5ab + b²) and (–3a² + 2b² + 8ab)

By adding each term in parentheses in which case, like terms are added together, we have;

  • [3a2 + (–3a2)] + (–5ab + 8ab) + (b2 + 2b2)

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