Simplify the Expression: 2^(2x+1) · 2^5 · 2^(3x)

Question

22x+12523x= 2^{2x+1}\cdot2^5\cdot2^{3x}=

Video Solution

Solution Steps

00:00 Simplify the following expression
00:03 When multiplying powers with the same base, add the exponents together
00:07 This formula applies to any number of bases
00:12 We'll apply this formula to our exercise
00:17 Let's add together all of the exponents
00:25 Let's combine the factors
00:36 This is the solution

Step-by-Step Solution

We'll use the law of exponents for multiplying terms with identical bases:

aman=am+n a^m\cdot a^n=a^{m+n}
Note that this law applies to any number of terms being multiplied, not just two terms. For example, when multiplying three terms with the same base, we get:

amanak=am+nak=am+n+k a^m\cdot a^n\cdot a^k=a^{m+n}\cdot a^k=a^{m+n+k}
When we used the above law of exponents twice, we can also perform the same calculation for four terms in multiplication and so on...

Let's return to the problem:

Notice that all terms in the multiplication have the same base, so we'll use the above law:

22x+12523x=22x+1+5+3x=25x+6 2^{2x+1}\cdot2^5\cdot2^{3x}=2^{2x+1+5+3x}=2^{5x+6}

Therefore, the correct answer is a.

Answer

25x+6 2^{5x+6}