Simplify the Exponential Product: 3^x ⋅ 2^x ⋅ 3^(2x)

Exponential Products with Mixed Bases

3x2x32x= 3^x\cdot2^x\cdot3^{2x}=

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1

Understand the problem

3x2x32x= 3^x\cdot2^x\cdot3^{2x}=

2

Step-by-step solution

In this case we have 2 different bases, so we will add what can be added, that is, the exponents of 3 3

3x2x32x=2x33x 3^x\cdot2^x\cdot3^{2x}=2^x\cdot3^{3x}

3

Final Answer

33x2x 3^{3x}\cdot2^x

Key Points to Remember

Essential concepts to master this topic
  • Rule: Only add exponents when bases are identical
  • Technique: Group same bases: 3x32x=33x 3^x \cdot 3^{2x} = 3^{3x}
  • Check: Verify by substituting a simple value like x = 1 ✓

Common Mistakes

Avoid these frequent errors
  • Adding exponents of different bases
    Don't combine 3x2x 3^x \cdot 2^x as 5x 5^x or 6x 6^x = wrong result! Different bases cannot be combined by adding. Always keep different bases separate and only combine exponents with identical bases.

Practice Quiz

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\( 112^0=\text{?} \)

FAQ

Everything you need to know about this question

Why can't I combine 3^x and 2^x into 5^x or 6^x?

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Because exponent rules only work with identical bases! Think of it this way: 3222=94=36 3^2 \cdot 2^2 = 9 \cdot 4 = 36 , but 52=25 5^2 = 25 and 62=36 6^2 = 36 . Only 6^2 gives the right answer by coincidence at this specific value.

How do I know which bases can be combined?

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Only combine terms with exactly the same base. In 3x32x 3^x \cdot 3^{2x} , both have base 3, so you can add exponents: x+2x=3x x + 2x = 3x . Keep 2x 2^x separate because it has a different base.

What's the difference between 3^(3x) and (3^3)^x?

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These are completely different! 33x 3^{3x} means the exponent is 3x, while (33)x=27x (3^3)^x = 27^x means 27 raised to the x power. Parentheses matter in exponents!

Can I use the distributive property with exponents?

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No! The distributive property doesn't work with exponents. 3x+2x=33x 3^{x+2x} = 3^{3x} , not 3x+32x 3^x + 3^{2x} . When multiplying powers with the same base, add the exponents.

How can I check if my answer is correct?

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Substitute a simple value like x = 1. Original: 312132=329=54 3^1 \cdot 2^1 \cdot 3^2 = 3 \cdot 2 \cdot 9 = 54 . Your answer: 3321=272=54 3^3 \cdot 2^1 = 27 \cdot 2 = 54 ✓

What if I have three different bases?

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Keep each different base separate! For example, 2x32x5x 2^x \cdot 3^{2x} \cdot 5^x stays as is because all bases are different. You can't combine any of these terms.

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