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19. Evaluate sqr rt 7x ( sqr rt x- 7 sqr rt 7) Show your work.
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19. Evaluate sqr rt 7x ( sqr rt x- 7 sqr rt 7) Show your work.

User Chhavi
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1 Answer

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√7x × (√x-7 √7)
√7x √(x-7)×7
√7x√7x-49
√7x×(7x-49)
√49x²-343x
User Janice
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