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patriot [66]
3 years ago
12

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

Mathematics
1 answer:
diamong [38]3 years ago
3 0
√7x × (√x-7 √7)
√7x √(x-7)×7
√7x√7x-49
√7x×(7x-49)
√49x²-343x
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tensa zangetsu [6.8K]
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Read 2 more answers
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