crolandstudent crolandstudent

24-10-2018
Mathematics

contestada

i have to type in my answer and i don't know what 9(a +b) + 4(3a + 2b) so what is the answer!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Respuesta :

theawsomepro theawsomepro

24-10-2018

Answer: 21a+17b

Step-by-step explanation: To get rid of the parenthese you must multiply or distribute 9 to all the numbers inside the parentheses.

9(a +b) + 4(3a + 2b)

9a+9b+12a+8b

Combine like terms

9a+9b+12a+8b

21a+17b

And we have our answer.

21a+17b Hope this helps!

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