Questions on Algebra: Radicals -- complicated equations involving roots answered by real tutors!
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Question 155344
:
3 square root sign 64x7 divided by 3 square root sign 4x
:
3 square root sign 64x7 divided by 3 square root sign 4x
Answer by
checkley77(3380)
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3sqrt64x^7/3sqrt4x factor the sqrt64=(8*8), the sqrtx^7=(x^3*x^3*x) & sqrt4=(2*2)
3*8x^3sqrtx/3*2sqrtx cancel out the sqrtx terms
24x^3/6 divide 24 by 6
4x^3 answer.
