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Cleo added 3a+4b and got 7ab. Three of these statements explain why her answer is wrong. Which one does not

Cleo added 3a4b and got 7ab Three of these statements explain why her answer is wrong Which one does not class=

Respuesta :

Answer:

3 and 4 are factors of 12 so they should be multiplied to get a product of 12 ab. (Answer D)

Step-by-step explanation:

You do not multiply in addition unless an exponent is present. You should not multiply or add considering these are not like terms. Therefore, D is wrong.