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Semenov [28]
3 years ago
8

Factor (3c + 2)^2 - (3c - 2)^2

Mathematics
1 answer:
kodGreya [7K]3 years ago
6 0

Hi there! Your answe is 24c

Please see an explanation below for a clear understanding to your problem.

Any questions about my explanation and answer can be asked through comments! :)

Step-by-step explanation:

\large \boxed{ {x}^{2}  -  {y}^{2}  = (x + y)( x - y)}

The formula above is what we will be using. This is called "Difference of Two Squares".

Notice how the these expressions are similar to the formula's structure.

\large{ {(3c + 2)}^{2}  -  {(3c - 2)}^{2} }

Notice how there are minus sign, squared expression which we can factor by using the formula above. Therefore -

\large{ {x}^{2}  =  {(3c + 2)}^{2} } \\  \large{x = 3c + 2}

Therefore, our y would be 3c-2.

Then proceed with the formula.

\large{ {(3c + 2)}^{2}  -  {(3c  - 2)}^{2}  = (3c + 2 + 3c - 2)(3c + 2 - (3c - 2))}

Simplify.

\large{ (6c)(3c + 2 - 3c +  2)} \\ 6c(4) \\ 24c

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