SOLUTION: Please help me solve this problem: Describe and correct the error in simplifying 2x^5 x 2x^4. The error is: 2x^5 x 2x^4= 2x^9. Please help me.

Question 693124: Please help me solve this problem: Describe and correct the error in simplifying 2x^5 x 2x^4. The error is: 2x^5 x 2x^4= 2x^9. Please help me.
Found 2 solutions by ReadingBoosters, stanbon:
Answer by ReadingBoosters(3246) (Show Source): You can put this solution on YOUR website!

While to multiply exponents the exponents must be added, if there are any coefficients, those coefficients must be multiplied.
Therefore,
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Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
The error is: 2x^5 x 2x^4= 2x^9
----
The correct math is
2x^5 *2x^4 = 2*2*x^5*x^4 = 4x^9
=================================
Cheers,
Stan H.
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