Simplify and combine like radicals: . Assume that x represents a positive number.?

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Simplify and combine like radicals: . Assume that x represents a positive number.?

5^4√256x + 5^4√81x

2007-12-25 04:41:07 · 2 answers · asked by Marcia O 1 in Science & Mathematics ➔ Chemistry

2 answers

How about 5^4*[16x + 9x] or
5^6x

2007-12-25 05:49:57 · answer #1 · answered by Charles M 6 · 1⤊ 0⤋

square root of 256 =16 square root of 81 =9
you can put 5^4 in factor

so 5^4 (16x^(0.5)+9 x^(0.5))

or 5^4*(x^0.5)*25 and as 25 =5^2

result final 5^6*x^(0.5)

2007-12-25 13:54:31 · answer #2 · answered by maussy 7 · 0⤊ 0⤋