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2 (3X+2) ^2) +4

do you do: (3x+2) (3x+2) and then multiply by two and add four?
or do I distribute the 2 power to the 3x and 2?

2007-12-08 03:25:12 · 4 answers · asked by Anonymous in Science & Mathematics Mathematics

4 answers

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2007-12-08 03:46:02 · answer #1 · answered by Anonymous · 0 0

Your first method is correct as long as you remove the ')' after ^2 . Otherwise, the expression is confusing.
2 (3x+2)^2 + 4 --- (1)
Or, you may rewrite it as 2 (3x+2)^(2) + 4 --(2)
(1) and (2) mean the same thing. The first is clearer.

2007-12-08 11:33:34 · answer #2 · answered by cidyah 7 · 0 0

the first way.

2(3x+2)^2 + 4
=2(9x^2 + 12x + 4) + 4
=18x^2 + 24x + 8 + 4
=18x^2 + 24x + 12

2007-12-08 11:29:29 · answer #3 · answered by norman 7 · 0 0

your first method is correct

2007-12-08 11:28:30 · answer #4 · answered by Linda K 5 · 0 0

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