simplify √112-√63+224/√28
of lesson rational and irrational number
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Answer:
√112-√63+224/√28
√16*7 - √9*7 + 224/√4*7
4√7 - 3√7 + 224/2√7
√7 + 224/2√7
[2√7(√7) +224]/2√7
[14+224]/2√7
238/2√7
119/√7
119/√7*√7/√7
119√7/√7√7
119√7/7
17√7
So the answer is 17√7
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