kenshina49 kenshina49
  • 13-01-2021
  • Mathematics
contestada

True or false? 3ˣ + 2·3ˣ = 3ˣ⁺¹

Respuesta :

jimthompson5910 jimthompson5910
  • 13-01-2021

I'm assuming the "x+2" is the exponent. If so, then

[tex]3^{x+2}*3^x = 3^{x+1}[/tex]

is false.

Recall that when we multiply exponential expressions of the same base, we add the exponents.

So it should be [tex]3^{x+2}*3^x = 3^{(x+2)+(x)} = 3^{2x+2}[/tex]

If the [tex]3^{x+1}[/tex] was [tex]3^{2x+2}[/tex], then the original equation would be correct.

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mariamimanzaman42 mariamimanzaman42
  • 13-01-2021

Answer:

True

Step-by-step explanation:

Answer Link

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