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Simplify. Remove grouping symbols and combine like terms. A) 5[3a-2a(3a+6b)+6a^2]

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kim1246 | eNoter

Posted March 1, 2013 at 3:49 PM via web

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Simplify. Remove grouping symbols and combine like terms. A) 5[3a-2a(3a+6b)+6a^2]

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jeew-m | College Teacher | (Level 1) Educator Emeritus

Posted March 1, 2013 at 4:25 PM (Answer #1)

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`5[3a-2a(3a+6b)+6a^2]`

`= 5[3a-6a^2-12ab+6a^2]`

`= 5(3a-12ab)`

`= 15a-60ab`

 

So the answer is;

`5[3a-2a(3a+6b)+6a^2] = 15a-60ab`

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atyourservice | TA , Grade 10 | Valedictorian

Posted February 23, 2014 at 3:10 AM (Answer #2)

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`5[3a-2a(3a+6b)+6a^2]`

`5(3a-6a^2-12ba+6a^2)` you can distribute the 5 then combine like terms or combine like terms then distribute the 5

5(3a-6a^2+6a^2-12ba)

5(3a-12ba)

15a-60ba

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