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How to simplify x^12/x^-3

How to smplify

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Trish H. | Certified Math Teacher- Individualized Instruction and Test PrepCertified Math Teacher- Individualized I...
5.0 5.0 (337 lesson ratings) (337)
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X12
X-3
 
Remember when you multiply the same variable by itself, you add the exponents and when you divide you subtract the exponents.
 
This problem is division so it would be X12- (-3)  which becomes X^12+3 which gives an answer of  X^ 15
Ebenezer O. | Aerospace Engr & Air Traffic Control Grad For General Ed. TutoringAerospace Engr & Air Traffic Control Gra...
4.6 4.6 (13 lesson ratings) (13)
0
x12
x-3
 
This can be rewritten as;
 
x12 ÷ x-3
 
remember that xa ÷ xb is the same as x(a-b)
 
so we'd have;
 
x(12-(-3))
 
which becomes;
 
x(12 + 3)
 
which gives;
 
x15