Simplfy expression: e^x times 6e^3x-1

FMMurphy

Junior Member
Joined
Mar 12, 2006
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51
When I need to simplfy an expression such as

e^x times 6e^3x-1

do I multiply such as 6e^4x-1?
 
To multiply through, you need to take the e<sup>x</sup> onto every term in the other expression:

. . . . .e<sup>x</sup> (6e<sup>3x</sup> - 1)

. . . . .e<sup>x</sup>(6e<sup>3x</sup>) + e<sup>x</sup>(-1)

. . . . .6e<sup>x</sup>e<sup>3x</sup> - 1e<sup>x</sup>

...and so forth.

Eliz.
 
I sort of see what you're talking about. I hate to sound stupid but I didn't understand what sup was! Would the answer then be 5e^xe^3x. Is the -1e^x a negative in the exponent also?
 
FMMurphy said:
I didn't understand what sup was!
The HTML tag "sup" means "superscript", as in an exponent.

FMMurphy said:
Would the answer then be 5e^xe^3x.
As mentioned previously, with two terms in the one factor (namely, 6e<sup>3x</sup> and 1), the final product must also have two terms.

FMMurphy said:
Is the -1e^x a negative in the exponent also?
I'm sorry, but I'm not sure what you mean by this, since this second term is not an exponent on the first term...?

Eliz.
 
FMMurphy said:
When I need to simplfy an expression such as
e^x times 6e^3x-1
Did you mean e^x times 6e^(3x-1) ?
If so, VERY IMPORTANT to bracket properly :shock:
 
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