SOLUTION: square root of x times ((the square root of x)+1)) times ((7 times the aquare root of x)-4)

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Question 210764: square root of x times ((the square root of x)+1)) times ((7 times the aquare root of x)-4)
Answer by RAY100(1637) About Me  (Show Source):
You can put this solution on YOUR website!
distribute first multiplication
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(x +sqrt x) * (7sqrtx -4)
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use FOIL to distribute
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7xsqrt x -4x +7x -4sqrt x
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collect like terms
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7x^(3/2) +3x -4x^(1/2)
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check,,let x=2,,,both answer and original = 20.13,,,,,,ok